696250989 has 24 divisors (see below), whose sum is σ = 1152715200. Its totient is φ = 396698688.

The previous prime is 696250987. The next prime is 696250999. The reversal of 696250989 is 989052696.

696250989 is a `hidden beast` number, since 6 + 9 + 625 + 0 + 9 + 8 + 9 = 666.

It is not a de Polignac number, because 696250989 - 2¹ = 696250987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696250987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5937 + ... + 37785.

It is an arithmetic number, because the mean of its divisors is an integer number (48029800).

Almost surely, 2^696250989 is an apocalyptic number.

It is an amenable number.

696250989 is a deficient number, since it is larger than the sum of its proper divisors (456464211).

696250989 is a wasteful number, since it uses less digits than its factorization.

696250989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32209 (or 32206 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 696250989 is about 26386.5683445195. The cubic root of 696250989 is about 886.3160387595.

The spelling of 696250989 in words is "six hundred ninety-six million, two hundred fifty thousand, nine hundred eighty-nine".