3975162394 has 64 divisors (see below), whose sum is σ = 7408039680. Its totient is φ = 1561190400.

The previous prime is 3975162383. The next prime is 3975162397. The reversal of 3975162394 is 4932615793.

It is a super-2 number, since 2×3975162394² = 31603832117343622472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3975162397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1417794 + ... + 1420594.

It is an arithmetic number, because the mean of its divisors is an integer number (115750620).

Almost surely, 2^3975162394 is an apocalyptic number.

3975162394 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3975162394 is a deficient number, since it is larger than the sum of its proper divisors (3432877286).

3975162394 is a wasteful number, since it uses less digits than its factorization.

3975162394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983.

The product of its digits is 1224720, while the sum is 49.

The square root of 3975162394 is about 63048.8889196312. Note that the first 3 decimals coincide. The cubic root of 3975162394 is about 1584.1086243762.

The spelling of 3975162394 in words is "three billion, nine hundred seventy-five million, one hundred sixty-two thousand, three hundred ninety-four".