381057837 has 8 divisors (see below), whose sum is σ = 509054400. Its totient is φ = 253549920.

The previous prime is 381057829. The next prime is 381057841. The reversal of 381057837 is 738750183.

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

It is not a de Polignac number, because 381057837 - 2³ = 381057829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381057827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120337 + ... + 123462.

It is an arithmetic number, because the mean of its divisors is an integer number (63631800).

Almost surely, 2^381057837 is an apocalyptic number.

It is an amenable number.

381057837 is a deficient number, since it is larger than the sum of its proper divisors (127996563).

381057837 is a wasteful number, since it uses less digits than its factorization.

381057837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244323.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 381057837 is about 19520.7027793571. The cubic root of 381057837 is about 724.9871338184.

The spelling of 381057837 in words is "three hundred eighty-one million, fifty-seven thousand, eight hundred thirty-seven".