34390688 has 12 divisors (see below), whose sum is σ = 67706730. Its totient is φ = 17195328.

The previous prime is 34390667. The next prime is 34390709. The reversal of 34390688 is 88609343.

It is an interprime number because it is at equal distance from previous prime (34390667) and next prime (34390709).

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 425104 = 5828^2 + 652^2 .

It is a super-2 number, since 2×34390688² = 2365438842226688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537323 + ... + 537386.

Almost surely, 2^34390688 is an apocalyptic number.

It is an amenable number.

34390688 is a deficient number, since it is larger than the sum of its proper divisors (33316042).

34390688 is a wasteful number, since it uses less digits than its factorization.

34390688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074719 (or 1074711 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 34390688 is about 5864.3574243049. The cubic root of 34390688 is about 325.1973176534.

The spelling of 34390688 in words is "thirty-four million, three hundred ninety thousand, six hundred eighty-eight".