3400343421 has 8 divisors (see below), whose sum is σ = 4548277440. Its totient is φ = 2259652512.

The previous prime is 3400343393. The next prime is 3400343449. The reversal of 3400343421 is 1243430043.

It is an interprime number because it is at equal distance from previous prime (3400343393) and next prime (3400343449).

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

It is not a de Polignac number, because 3400343421 - 2⁹ = 3400342909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3400343391 and 3400343400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400343461) 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, 1809681 + ... + 1811558.

It is an arithmetic number, because the mean of its divisors is an integer number (568534680).

Almost surely, 2^3400343421 is an apocalyptic number.

It is an amenable number.

3400343421 is a deficient number, since it is larger than the sum of its proper divisors (1147934019).

3400343421 is a wasteful number, since it uses less digits than its factorization.

3400343421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621555.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3400343421 is about 58312.4636848762. The cubic root of 3400343421 is about 1503.7452219811.

Adding to 3400343421 its reverse (1243430043), we get a palindrome (4643773464).

The spelling of 3400343421 in words is "three billion, four hundred million, three hundred forty-three thousand, four hundred twenty-one".