689659272 has 48 divisors (see below), whose sum is σ = 1937011440. Its totient is φ = 229885776.

The previous prime is 689659261. The next prime is 689659307. The reversal of 689659272 is 272956986.

It is a super-2 number, since 2×689659272² = 951259822911139968, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175438 + ... + 179325.

It is an arithmetic number, because the mean of its divisors is an integer number (40354405).

Almost surely, 2^689659272 is an apocalyptic number.

It is an amenable number.

689659272 is an abundant number, since it is smaller than the sum of its proper divisors (1247352168).

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

689659272 is a wasteful number, since it uses less digits than its factorization.

689659272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354784 (or 354768 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 689659272 is about 26261.3646256245. The cubic root of 689659272 is about 883.5101160201.

The spelling of 689659272 in words is "six hundred eighty-nine million, six hundred fifty-nine thousand, two hundred seventy-two".