371689864 has 64 divisors (see below), whose sum is σ = 880992000. Its totient is φ = 143057664.

The previous prime is 371689861. The next prime is 371689873. The reversal of 371689864 is 468986173.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (371689861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20037 + ... + 33835.

It is an arithmetic number, because the mean of its divisors is an integer number (13765500).

Almost surely, 2^371689864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 371689864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440496000).

371689864 is an abundant number, since it is smaller than the sum of its proper divisors (509302136).

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

371689864 is a wasteful number, since it uses less digits than its factorization.

371689864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13862 (or 13858 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 371689864 is about 19279.2599443028. The cubic root of 371689864 is about 718.9967147597.

The spelling of 371689864 in words is "three hundred seventy-one million, six hundred eighty-nine thousand, eight hundred sixty-four".