689892552 has 48 divisors (see below), whose sum is σ = 1937666640. Its totient is φ = 229963536.

The previous prime is 689892547. The next prime is 689892557. The reversal of 689892552 is 255298986.

689892552 is a `hidden beast` number, since 6 + 8 + 9 + 89 + 2 + 552 = 666.

689892552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (689892547) and next prime (689892557).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (689892557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175498 + ... + 179385.

It is an arithmetic number, because the mean of its divisors is an integer number (40368055).

Almost surely, 2^689892552 is an apocalyptic number.

It is an amenable number.

689892552 is an abundant number, since it is smaller than the sum of its proper divisors (1247774088).

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

689892552 is a wasteful number, since it uses less digits than its factorization.

689892552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354904 (or 354888 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 689892552 is about 26265.8057557730. The cubic root of 689892552 is about 883.6097217307.

The spelling of 689892552 in words is "six hundred eighty-nine million, eight hundred ninety-two thousand, five hundred fifty-two".