3400210021 has 8 divisors (see below), whose sum is σ = 3662920800. Its totient is φ = 3137664432.

The previous prime is 3400210003. The next prime is 3400210027. The reversal of 3400210021 is 1200120043.

3400210021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3400210021 - 2²¹ = 3398112869 is a prime.

It is a super-3 number, since 3×3400210021³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3400209983 and 3400210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400210027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3246 + ... + 82528.

It is an arithmetic number, because the mean of its divisors is an integer number (457865100).

Almost surely, 2^3400210021 is an apocalyptic number.

It is an amenable number.

3400210021 is a deficient number, since it is larger than the sum of its proper divisors (262710779).

3400210021 is a wasteful number, since it uses less digits than its factorization.

3400210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82595.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3400210021 is about 58311.3198358603. The cubic root of 3400210021 is about 1503.7255570815.

Adding to 3400210021 its reverse (1200120043), we get a palindrome (4600330064).

The spelling of 3400210021 in words is "three billion, four hundred million, two hundred ten thousand, twenty-one".