696538620 has 72 divisors (see below), whose sum is σ = 2237127984. Its totient is φ = 174816768.

The previous prime is 696538607. The next prime is 696538657. The reversal of 696538620 is 26835696.

It is a happy number.

696538620 is a `hidden beast` number, since 6 + 96 + 538 + 6 + 20 = 666.

696538620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110754 + ... + 116873.

It is an arithmetic number, because the mean of its divisors is an integer number (31071222).

Almost surely, 2^696538620 is an apocalyptic number.

696538620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

696538620 is an abundant number, since it is smaller than the sum of its proper divisors (1540589364).

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

696538620 is a wasteful number, since it uses less digits than its factorization.

696538620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227659 (or 227654 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 696538620 is about 26392.0181115427. The cubic root of 696538620 is about 886.4380717980.

The spelling of 696538620 in words is "six hundred ninety-six million, five hundred thirty-eight thousand, six hundred twenty".