1937988864 has 108 divisors (see below), whose sum is σ = 6385995616. Its totient is φ = 553706496.

The previous prime is 1937988863. The next prime is 1937988893. The reversal of 1937988864 is 4688897391.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1937988863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43954 + ... + 76209.

Almost surely, 2^1937988864 is an apocalyptic number.

1937988864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1937988864 is an abundant number, since it is smaller than the sum of its proper divisors (4448006752).

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

1937988864 is a wasteful number, since it uses less digits than its factorization.

1937988864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120192 (or 120175 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The square root of 1937988864 is about 44022.5949257878. The cubic root of 1937988864 is about 1246.7625801823.

The spelling of 1937988864 in words is "one billion, nine hundred thirty-seven million, nine hundred eighty-eight thousand, eight hundred sixty-four".