34400428 has 12 divisors (see below), whose sum is σ = 61481952. Its totient is φ = 16834160.

The previous prime is 34400411. The next prime is 34400449. The reversal of 34400428 is 82400443.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91303 + ... + 91678.

It is an arithmetic number, because the mean of its divisors is an integer number (5123496).

Almost surely, 2^34400428 is an apocalyptic number.

It is an amenable number.

34400428 is a deficient number, since it is larger than the sum of its proper divisors (27081524).

34400428 is a wasteful number, since it uses less digits than its factorization.

34400428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183032 (or 183030 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 34400428 is about 5865.1878060297. The cubic root of 34400428 is about 325.2280151385.

The spelling of 34400428 in words is "thirty-four million, four hundred thousand, four hundred twenty-eight".