1690097976 has 96 divisors (see below), whose sum is σ = 5539004640. Its totient is φ = 454477824.

The previous prime is 1690097963. The next prime is 1690097999. The reversal of 1690097976 is 6797900961.

1690097976 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 90061 + ... + 107196.

It is an arithmetic number, because the mean of its divisors is an integer number (57697965).

Almost surely, 2^1690097976 is an apocalyptic number.

It is an amenable number.

1690097976 is an abundant number, since it is smaller than the sum of its proper divisors (3848906664).

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

1690097976 is a wasteful number, since it uses less digits than its factorization.

1690097976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197293 (or 197286 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 1690097976 is about 41110.8012084416. The cubic root of 1690097976 is about 1191.1614430905.

The spelling of 1690097976 in words is "one billion, six hundred ninety million, ninety-seven thousand, nine hundred seventy-six".