3992931144 has 24 divisors (see below), whose sum is σ = 10814188710. Its totient is φ = 1330977024.

The previous prime is 3992931121. The next prime is 3992931167. The reversal of 3992931144 is 4411392993.

It is an interprime number because it is at equal distance from previous prime (3992931121) and next prime (3992931167).

It can be written as a sum of positive squares in only one way, i.e., 3987922500 + 5008644 = 63150^2 + 2238^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a self number, because there is not a number n which added to its sum of digits gives 3992931144.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27728617 + ... + 27728760.

Almost surely, 2^3992931144 is an apocalyptic number.

It is an amenable number.

3992931144 is an abundant number, since it is smaller than the sum of its proper divisors (6821257566).

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

3992931144 is a wasteful number, since it uses less digits than its factorization.

3992931144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55457389 (or 55457382 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 3992931144 is about 63189.6442781568. The cubic root of 3992931144 is about 1586.4654081364.

The spelling of 3992931144 in words is "three billion, nine hundred ninety-two million, nine hundred thirty-one thousand, one hundred forty-four".