69989456 has 10 divisors (see below), whose sum is σ = 135604602. Its totient is φ = 34994720.

The previous prime is 69989453. The next prime is 69989461. The reversal of 69989456 is 65498996.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 99856 = 8360^2 + 316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69989453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2187155 + ... + 2187186.

Almost surely, 2^69989456 is an apocalyptic number.

It is an amenable number.

69989456 is a deficient number, since it is larger than the sum of its proper divisors (65615146).

69989456 is a wasteful number, since it uses less digits than its factorization.

69989456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374349 (or 4374343 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 56.

The square root of 69989456 is about 8365.9701170874. The cubic root of 69989456 is about 412.1078361646.

The spelling of 69989456 in words is "sixty-nine million, nine hundred eighty-nine thousand, four hundred fifty-six".