428357574 has 36 divisors (see below), whose sum is σ = 937168596. Its totient is φ = 141405264.

The previous prime is 428357563. The next prime is 428357581. The reversal of 428357574 is 475753824.

428357574 is a `hidden beast` number, since 4 + 2 + 8 + 3 + 575 + 74 = 666.

It is a super-2 number, since 2×428357574² = 366980422406330952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 212857 + ... + 214859.

It is an arithmetic number, because the mean of its divisors is an integer number (26032461).

Almost surely, 2^428357574 is an apocalyptic number.

428357574 is an abundant number, since it is smaller than the sum of its proper divisors (508811022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428357574 is a wasteful number, since it uses less digits than its factorization.

428357574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2117 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 428357574 is about 20696.8010571682. The cubic root of 428357574 is about 753.8220151814.

The spelling of 428357574 in words is "four hundred twenty-eight million, three hundred fifty-seven thousand, five hundred seventy-four".