693797090 has 32 divisors (see below), whose sum is σ = 1447352064. Its totient is φ = 234521280.

The previous prime is 693797089. The next prime is 693797113. The reversal of 693797090 is 90797396.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64829 + ... + 74768.

It is an arithmetic number, because the mean of its divisors is an integer number (45229752).

Almost surely, 2^693797090 is an apocalyptic number.

693797090 is an abundant number, since it is smaller than the sum of its proper divisors (753554974).

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

693797090 is a wasteful number, since it uses less digits than its factorization.

693797090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139682.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 693797090 is about 26340.0282839636. The cubic root of 693797090 is about 885.2735554062.

The spelling of 693797090 in words is "six hundred ninety-three million, seven hundred ninety-seven thousand, ninety".