689496172 has 24 divisors (see below), whose sum is σ = 1259556480. Its totient is φ = 329873280.

The previous prime is 689496131. The next prime is 689496179. The reversal of 689496172 is 271694986.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (689496179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20203 + ... + 42274.

It is an arithmetic number, because the mean of its divisors is an integer number (52481520).

Almost surely, 2^689496172 is an apocalyptic number.

689496172 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

689496172 is a deficient number, since it is larger than the sum of its proper divisors (570060308).

689496172 is a wasteful number, since it uses less digits than its factorization.

689496172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62601 (or 62599 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 689496172 is about 26258.2591197513. The cubic root of 689496172 is about 883.4404623680.

The spelling of 689496172 in words is "six hundred eighty-nine million, four hundred ninety-six thousand, one hundred seventy-two".