3821860057 has 4 divisors (see below), whose sum is σ = 3822564096. Its totient is φ = 3821156020.

The previous prime is 3821860027. The next prime is 3821860061. The reversal of 3821860057 is 7500681283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3821860057 - 2²³ = 3813471449 is a prime.

It is a super-2 number, since 2×3821860057² = 29213228590584086498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3821860027) 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, 343813 + ... + 354754.

It is an arithmetic number, because the mean of its divisors is an integer number (955641024).

Almost surely, 2^3821860057 is an apocalyptic number.

It is an amenable number.

3821860057 is a deficient number, since it is larger than the sum of its proper divisors (704039).

3821860057 is an equidigital number, since it uses as much as digits as its factorization.

3821860057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704038.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 3821860057 is about 61821.1942378987. The cubic root of 3821860057 is about 1563.4773483207.

The spelling of 3821860057 in words is "three billion, eight hundred twenty-one million, eight hundred sixty thousand, fifty-seven".