34640426 has 8 divisors (see below), whose sum is σ = 52004484. Its totient is φ = 17305600.

The previous prime is 34640383. The next prime is 34640447. The reversal of 34640426 is 62404643.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28143025 + 6497401 = 5305^2 + 2549^2 .

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

It is a super-2 number, since 2×34640426² = 2399918226922952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055 + ... + 9258.

Almost surely, 2^34640426 is an apocalyptic number.

34640426 is a deficient number, since it is larger than the sum of its proper divisors (17364058).

34640426 is a wasteful number, since it uses less digits than its factorization.

34640426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14616.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 34640426 is about 5885.6117778868. The cubic root of 34640426 is about 325.9825915654.

The spelling of 34640426 in words is "thirty-four million, six hundred forty thousand, four hundred twenty-six".