34397531 has 16 divisors (see below), whose sum is σ = 41076480. Its totient is φ = 28188000.

The previous prime is 34397513. The next prime is 34397551. The reversal of 34397531 is 13579343.

It is a cyclic number.

It is not a de Polignac number, because 34397531 - 2¹⁰ = 34396507 is a prime.

It is a super-2 number, since 2×34397531² = 2366380277791922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34397491 and 34397500.

It is not an unprimeable number, because it can be changed into a prime (34397501) 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, 14156 + ... + 16406.

It is an arithmetic number, because the mean of its divisors is an integer number (2567280).

Almost surely, 2^34397531 is an apocalyptic number.

34397531 is a deficient number, since it is larger than the sum of its proper divisors (6678949).

34397531 is a wasteful number, since it uses less digits than its factorization.

34397531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354.

The product of its digits is 34020, while the sum is 35.

The square root of 34397531 is about 5864.9408351662. The cubic root of 34397531 is about 325.2188852908.

The spelling of 34397531 in words is "thirty-four million, three hundred ninety-seven thousand, five hundred thirty-one".