34389290 has 32 divisors (see below), whose sum is σ = 67280976. Its totient is φ = 12579840.

The previous prime is 34389269. The next prime is 34389337. The reversal of 34389290 is 9298343.

It can be written as a sum of positive squares in 8 ways, for example, as 2455489 + 31933801 = 1567^2 + 5651^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13520 + ... + 15860.

Almost surely, 2^34389290 is an apocalyptic number.

34389290 is a deficient number, since it is larger than the sum of its proper divisors (32891686).

34389290 is a wasteful number, since it uses less digits than its factorization.

34389290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 34389290 is about 5864.2382284488. The cubic root of 34389290 is about 325.1929111116.

The spelling of 34389290 in words is "thirty-four million, three hundred eighty-nine thousand, two hundred ninety".