528933420 has 72 divisors (see below), whose sum is σ = 1606310160. Its totient is φ = 140883840.

The previous prime is 528933413. The next prime is 528933469. The reversal of 528933420 is 24339825.

528933420 is a `hidden beast` number, since 528 + 93 + 3 + 42 + 0 = 666.

It is a super-3 number, since 3×528933420³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283290 + ... + 285150.

Almost surely, 2^528933420 is an apocalyptic number.

It is an amenable number.

528933420 is an abundant number, since it is smaller than the sum of its proper divisors (1077376740).

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

528933420 is a wasteful number, since it uses less digits than its factorization.

528933420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455 (or 3450 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 528933420 is about 22998.5525631506. The cubic root of 528933420 is about 808.7240083634.

The spelling of 528933420 in words is "five hundred twenty-eight million, nine hundred thirty-three thousand, four hundred twenty".