696379321 has 9 divisors (see below), whose sum is σ = 765760933. Its totient is φ = 632808220.

The previous prime is 696379261. The next prime is 696379373. The reversal of 696379321 is 123973696.

The square root of 696379321 is 26389.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-696379321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696379121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 289080 + ... + 291478.

Almost surely, 2^696379321 is an apocalyptic number.

696379321 is the 26389-th square number.

696379321 is the 13195-th centered octagonal number.

It is an amenable number.

696379321 is a deficient number, since it is larger than the sum of its proper divisors (69381612).

696379321 is an frugal number, since it uses more digits than its factorization.

696379321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820 (or 2410 counting only the distinct ones).

The product of its digits is 367416, while the sum is 46.

The cubic root of 696379321 is about 886.3704902547.

Subtracting from 696379321 its reverse (123973696), we obtain a square (572405625 = 23925²).

The spelling of 696379321 in words is "six hundred ninety-six million, three hundred seventy-nine thousand, three hundred twenty-one".