371942399 has 4 divisors (see below), whose sum is σ = 371986560. Its totient is φ = 371898240.

The previous prime is 371942387. The next prime is 371942401. The reversal of 371942399 is 993249173.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 371942399 - 2²⁸ = 103506943 is a prime.

It is a super-2 number, since 2×371942399² = 276682296347750402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371942359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5087 + ... + 27744.

It is an arithmetic number, because the mean of its divisors is an integer number (92996640).

Almost surely, 2^371942399 is an apocalyptic number.

371942399 is a deficient number, since it is larger than the sum of its proper divisors (44161).

371942399 is a wasteful number, since it uses less digits than its factorization.

371942399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44160.

The product of its digits is 367416, while the sum is 47.

The square root of 371942399 is about 19285.8082278135. The cubic root of 371942399 is about 719.1595124279.

It can be divided in two parts, 37194 and 2399, that added together give a palindrome (39593).

The spelling of 371942399 in words is "three hundred seventy-one million, nine hundred forty-two thousand, three hundred ninety-nine".