696889424 has 160 divisors (see below), whose sum is σ = 1769029632. Its totient is φ = 258048000.

The previous prime is 696889399. The next prime is 696889439. The reversal of 696889424 is 424988696.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 696889424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2711504 + ... + 2711760.

Almost surely, 2^696889424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696889424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884514816).

696889424 is an abundant number, since it is smaller than the sum of its proper divisors (1072140208).

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

696889424 is a wasteful number, since it uses less digits than its factorization.

696889424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 379 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 56.

The square root of 696889424 is about 26398.6632994930. The cubic root of 696889424 is about 886.5868617440.

The spelling of 696889424 in words is "six hundred ninety-six million, eight hundred eighty-nine thousand, four hundred twenty-four".