34321657 has 16 divisors (see below), whose sum is σ = 38923200. Its totient is φ = 30067200.

The previous prime is 34321597. The next prime is 34321663. The reversal of 34321657 is 75612343.

It is a cyclic number.

It is not a de Polignac number, because 34321657 - 2¹⁵ = 34288889 is a prime.

It is a super-2 number, since 2×34321657² = 2355952278451298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34321457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18157 + ... + 19957.

It is an arithmetic number, because the mean of its divisors is an integer number (2432700).

Almost surely, 2^34321657 is an apocalyptic number.

It is an amenable number.

34321657 is a deficient number, since it is larger than the sum of its proper divisors (4601543).

34321657 is a wasteful number, since it uses less digits than its factorization.

34321657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896.

The product of its digits is 15120, while the sum is 31.

The square root of 34321657 is about 5858.4688272619. The cubic root of 34321657 is about 324.9795868836.

The spelling of 34321657 in words is "thirty-four million, three hundred twenty-one thousand, six hundred fifty-seven".