3812837994 has 80 divisors (see below), whose sum is σ = 10079156736. Its totient is φ = 1054231200.

The previous prime is 3812837989. The next prime is 3812837999. The reversal of 3812837994 is 4997382183.

It is an interprime number because it is at equal distance from previous prime (3812837989) and next prime (3812837999).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3812837994.

It is not an unprimeable number, because it can be changed into a prime (3812837999) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19077 + ... + 89384.

Almost surely, 2^3812837994 is an apocalyptic number.

3812837994 is an abundant number, since it is smaller than the sum of its proper divisors (6266318742).

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

3812837994 is a wasteful number, since it uses less digits than its factorization.

3812837994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108513 (or 108504 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 3812837994 is about 61748.1821108929. The cubic root of 3812837994 is about 1562.2461061940.

The spelling of 3812837994 in words is "three billion, eight hundred twelve million, eight hundred thirty-seven thousand, nine hundred ninety-four".