1697420312 has 32 divisors (see below), whose sum is σ = 3639244800. Its totient is φ = 727082784.

The previous prime is 1697420299. The next prime is 1697420321. The reversal of 1697420312 is 2130247961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116489 + ... + 130247.

It is an arithmetic number, because the mean of its divisors is an integer number (113726400).

Almost surely, 2^1697420312 is an apocalyptic number.

It is an amenable number.

1697420312 is an abundant number, since it is smaller than the sum of its proper divisors (1941824488).

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

1697420312 is a wasteful number, since it uses less digits than its factorization.

1697420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15975 (or 15971 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1697420312 is about 41199.7610672683. The cubic root of 1697420312 is about 1192.8791972387.

The spelling of 1697420312 in words is "one billion, six hundred ninety-seven million, four hundred twenty thousand, three hundred twelve".