1957764946 has 16 divisors (see below), whose sum is σ = 2951791128. Its totient is φ = 973843200.

The previous prime is 1957764943. The next prime is 1957764953. The reversal of 1957764946 is 6494677591.

It can be written as a sum of positive squares in 4 ways, for example, as 1113223225 + 844541721 = 33365^2 + 29061^2 .

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1957764943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837996 + ... + 840328.

Almost surely, 2^1957764946 is an apocalyptic number.

1957764946 is a deficient number, since it is larger than the sum of its proper divisors (994026182).

1957764946 is a wasteful number, since it uses less digits than its factorization.

1957764946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317.

The product of its digits is 11430720, while the sum is 58.

The square root of 1957764946 is about 44246.6376801673. The cubic root of 1957764946 is about 1250.9890723290.

The spelling of 1957764946 in words is "one billion, nine hundred fifty-seven million, seven hundred sixty-four thousand, nine hundred forty-six".