34402921 has 8 divisors (see below), whose sum is σ = 39516800. Its totient is φ = 29338848.

The previous prime is 34402913. The next prime is 34402957. The reversal of 34402921 is 12920443.

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

It is not a de Polignac number, because 34402921 - 2³ = 34402913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34402981) 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, 10956 + ... + 13741.

It is an arithmetic number, because the mean of its divisors is an integer number (4939600).

Almost surely, 2^34402921 is an apocalyptic number.

It is an amenable number.

34402921 is a deficient number, since it is larger than the sum of its proper divisors (5113879).

34402921 is a wasteful number, since it uses less digits than its factorization.

34402921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24903.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 34402921 is about 5865.4003273434. The cubic root of 34402921 is about 325.2358713766.

The spelling of 34402921 in words is "thirty-four million, four hundred two thousand, nine hundred twenty-one".