696951399 has 4 divisors (see below), whose sum is σ = 929268536. Its totient is φ = 464634264.

The previous prime is 696951389. The next prime is 696951419. The reversal of 696951399 is 993159696.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 696951399 - 2⁴ = 696951383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696951319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116158564 + ... + 116158569.

It is an arithmetic number, because the mean of its divisors is an integer number (232317134).

Almost surely, 2^696951399 is an apocalyptic number.

696951399 is a deficient number, since it is larger than the sum of its proper divisors (232317137).

696951399 is a wasteful number, since it uses less digits than its factorization.

696951399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232317136.

The product of its digits is 3542940, while the sum is 57.

The square root of 696951399 is about 26399.8371017702. The cubic root of 696951399 is about 886.6131426193.

The spelling of 696951399 in words is "six hundred ninety-six million, nine hundred fifty-one thousand, three hundred ninety-nine".