3891400048 has 20 divisors (see below), whose sum is σ = 7544447680. Its totient is φ = 1944445824.

The previous prime is 3891400039. The next prime is 3891400057. The reversal of 3891400048 is 8400041983.

It is an interprime number because it is at equal distance from previous prime (3891400039) and next prime (3891400057).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 52533 + ... + 102676.

It is an arithmetic number, because the mean of its divisors is an integer number (377222384).

Almost surely, 2^3891400048 is an apocalyptic number.

It is an amenable number.

3891400048 is a deficient number, since it is larger than the sum of its proper divisors (3653047632).

3891400048 is a wasteful number, since it uses less digits than its factorization.

3891400048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156784 (or 156778 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 3891400048 is about 62381.0872620861. The cubic root of 3891400048 is about 1572.9030695680.

The spelling of 3891400048 in words is "three billion, eight hundred ninety-one million, four hundred thousand, forty-eight".