1957097384 has 16 divisors (see below), whose sum is σ = 4003153920. Its totient is φ = 889589680.

The previous prime is 1957097381. The next prime is 1957097407. The reversal of 1957097384 is 4837907591.

It is not an unprimeable number, because it can be changed into a prime (1957097381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11119784 + ... + 11119959.

It is an arithmetic number, because the mean of its divisors is an integer number (250197120).

Almost surely, 2^1957097384 is an apocalyptic number.

It is an amenable number.

1957097384 is an abundant number, since it is smaller than the sum of its proper divisors (2046056536).

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

1957097384 is a wasteful number, since it uses less digits than its factorization.

1957097384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22239760 (or 22239756 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 1957097384 is about 44239.0933903488. The cubic root of 1957097384 is about 1250.8468680420.

The spelling of 1957097384 in words is "one billion, nine hundred fifty-seven million, ninety-seven thousand, three hundred eighty-four".