3870646331 has 8 divisors (see below), whose sum is σ = 4014621264. Its totient is φ = 3728743200.

The previous prime is 3870646303. The next prime is 3870646361. The reversal of 3870646331 is 1336460783.

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

It is a cyclic number.

It is not a de Polignac number, because 3870646331 - 2¹⁸ = 3870384187 is a prime.

It is a super-2 number, since 2×3870646331² = 29963806039367523122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3870646301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514145 + ... + 521618.

It is an arithmetic number, because the mean of its divisors is an integer number (501827658).

Almost surely, 2^3870646331 is an apocalyptic number.

3870646331 is a deficient number, since it is larger than the sum of its proper divisors (143974933).

3870646331 is a wasteful number, since it uses less digits than its factorization.

3870646331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035901.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 3870646331 is about 62214.5186511959. The cubic root of 3870646331 is about 1570.1018678409.

The spelling of 3870646331 in words is "three billion, eight hundred seventy million, six hundred forty-six thousand, three hundred thirty-one".