381940862 has 8 divisors (see below), whose sum is σ = 588395496. Its totient is φ = 185809032.

The previous prime is 381940861. The next prime is 381940873. The reversal of 381940862 is 268049183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381940861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580608 + ... + 2580755.

It is an arithmetic number, because the mean of its divisors is an integer number (73549437).

Almost surely, 2^381940862 is an apocalyptic number.

381940862 is a deficient number, since it is larger than the sum of its proper divisors (206454634).

381940862 is a wasteful number, since it uses less digits than its factorization.

381940862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161402.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 381940862 is about 19543.3073454827. The cubic root of 381940862 is about 725.5467058307.

The spelling of 381940862 in words is "three hundred eighty-one million, nine hundred forty thousand, eight hundred sixty-two".