928157434 has 4 divisors (see below), whose sum is σ = 1392236154. Its totient is φ = 464078716.

The previous prime is 928157413. The next prime is 928157459. The reversal of 928157434 is 434751829.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 928116225 + 41209 = 30465^2 + 203^2 .

It is a super-2 number, since 2×928157434² = 1722952444578928712, 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, 232039357 + ... + 232039360.

Almost surely, 2^928157434 is an apocalyptic number.

928157434 is a deficient number, since it is larger than the sum of its proper divisors (464078720).

928157434 is a wasteful number, since it uses less digits than its factorization.

928157434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464078719.

The product of its digits is 241920, while the sum is 43.

The square root of 928157434 is about 30465.6763259902. The cubic root of 928157434 is about 975.4549475336.

The spelling of 928157434 in words is "nine hundred twenty-eight million, one hundred fifty-seven thousand, four hundred thirty-four".