371838642 has 32 divisors (see below), whose sum is σ = 853587072. Its totient is φ = 105780864.

The previous prime is 371838629. The next prime is 371838647. The reversal of 371838642 is 246838173.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 371838594 and 371838603.

It is not an unprimeable number, because it can be changed into a prime (371838647) 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, 9213 + ... + 28784.

It is an arithmetic number, because the mean of its divisors is an integer number (26674596).

Almost surely, 2^371838642 is an apocalyptic number.

371838642 is an abundant number, since it is smaller than the sum of its proper divisors (481748430).

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

371838642 is a wasteful number, since it uses less digits than its factorization.

371838642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38242.

The product of its digits is 193536, while the sum is 42.

The square root of 371838642 is about 19283.1180569948. The cubic root of 371838642 is about 719.0926339962.

The spelling of 371838642 in words is "three hundred seventy-one million, eight hundred thirty-eight thousand, six hundred forty-two".