696909438 has 12 divisors (see below), whose sum is σ = 1509970488. Its totient is φ = 232303140.

The previous prime is 696909413. The next prime is 696909463. The reversal of 696909438 is 834909696.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (696909413) and next prime (696909463).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19358578 + ... + 19358613.

It is an arithmetic number, because the mean of its divisors is an integer number (125830874).

Almost surely, 2^696909438 is an apocalyptic number.

696909438 is an abundant number, since it is smaller than the sum of its proper divisors (813061050).

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

696909438 is a wasteful number, since it uses less digits than its factorization.

696909438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38717199 (or 38717196 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 696909438 is about 26399.0423689951. The cubic root of 696909438 is about 886.5953489727.

The spelling of 696909438 in words is "six hundred ninety-six million, nine hundred nine thousand, four hundred thirty-eight".