371957994 has 80 divisors (see below), whose sum is σ = 890087616. Its totient is φ = 115689600.

The previous prime is 371957987. The next prime is 371958019. The reversal of 371957994 is 499759173.

It is a happy number.

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 371957994.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 360259 + ... + 361289.

Almost surely, 2^371957994 is an apocalyptic number.

371957994 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 371957994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445043808).

371957994 is an abundant number, since it is smaller than the sum of its proper divisors (518129622).

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

371957994 is a wasteful number, since it uses less digits than its factorization.

371957994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1184 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 371957994 is about 19286.2125364209. The cubic root of 371957994 is about 719.1695633891.

The spelling of 371957994 in words is "three hundred seventy-one million, nine hundred fifty-seven thousand, nine hundred ninety-four".