732856989 has 8 divisors (see below), whose sum is σ = 993161632. Its totient is φ = 480561840.

The previous prime is 732856979. The next prime is 732856991. The reversal of 732856989 is 989658237.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 732856989 - 2²¹ = 730759837 is a prime.

It is a super-2 number, since 2×732856989² = 1074158732652292242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732856979) 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, 2002159 + ... + 2002524.

It is an arithmetic number, because the mean of its divisors is an integer number (124145204).

Almost surely, 2^732856989 is an apocalyptic number.

It is an amenable number.

732856989 is a deficient number, since it is larger than the sum of its proper divisors (260304643).

732856989 is a wasteful number, since it uses less digits than its factorization.

732856989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004747.

The product of its digits is 6531840, while the sum is 57.

The square root of 732856989 is about 27071.3314966220. The cubic root of 732856989 is about 901.5844472202.

The spelling of 732856989 in words is "seven hundred thirty-two million, eight hundred fifty-six thousand, nine hundred eighty-nine".