69421396 has 12 divisors (see below), whose sum is σ = 132531840. Its totient is φ = 31555160.

The previous prime is 69421309. The next prime is 69421409. The reversal of 69421396 is 69312496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788836 + ... + 788923.

It is an arithmetic number, because the mean of its divisors is an integer number (11044320).

Almost surely, 2^69421396 is an apocalyptic number.

It is an amenable number.

69421396 is a deficient number, since it is larger than the sum of its proper divisors (63110444).

69421396 is a wasteful number, since it uses less digits than its factorization.

69421396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577774 (or 1577772 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 69421396 is about 8331.9503119018. The cubic root of 69421396 is about 410.9898668083.

Subtracting from 69421396 its reverse (69312496), we obtain a square (108900 = 330²).

It can be divided in two parts, 6942 and 1396, that added together give a palindrome (8338).

The spelling of 69421396 in words is "sixty-nine million, four hundred twenty-one thousand, three hundred ninety-six".