3400021356 has 12 divisors (see below), whose sum is σ = 7933383192. Its totient is φ = 1133340448.

The previous prime is 3400021351. The next prime is 3400021397. The reversal of 3400021356 is 6531200043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3400021351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141667545 + ... + 141667568.

It is an arithmetic number, because the mean of its divisors is an integer number (661115266).

Almost surely, 2^3400021356 is an apocalyptic number.

It is an amenable number.

3400021356 is an abundant number, since it is smaller than the sum of its proper divisors (4533361836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3400021356 is a wasteful number, since it uses less digits than its factorization.

3400021356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283335120 (or 283335118 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3400021356 is about 58309.7020743547. The cubic root of 3400021356 is about 1503.6977445221.

Adding to 3400021356 its reverse (6531200043), we get a palindrome (9931221399).

The spelling of 3400021356 in words is "three billion, four hundred million, twenty-one thousand, three hundred fifty-six".