689463012 has 24 divisors (see below), whose sum is σ = 1838568256. Its totient is φ = 196989408.

The previous prime is 689463001. The next prime is 689463017. The reversal of 689463012 is 210364986.

It is a super-2 number, since 2×689463012² = 950718489832224288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (689463017) 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, 4103863 + ... + 4104030.

Almost surely, 2^689463012 is an apocalyptic number.

It is an amenable number.

689463012 is an abundant number, since it is smaller than the sum of its proper divisors (1149105244).

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

689463012 is a wasteful number, since it uses less digits than its factorization.

689463012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207907 (or 8207905 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 689463012 is about 26257.6276917775. The cubic root of 689463012 is about 883.4262996810.

The spelling of 689463012 in words is "six hundred eighty-nine million, four hundred sixty-three thousand, twelve".