3870399448 has 8 divisors (see below), whose sum is σ = 7256998980. Its totient is φ = 1935199720.

The previous prime is 3870399443. The next prime is 3870399473. The reversal of 3870399448 is 8449930783.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870399443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241899958 + ... + 241899973.

Almost surely, 2^3870399448 is an apocalyptic number.

It is an amenable number.

3870399448 is a deficient number, since it is larger than the sum of its proper divisors (3386599532).

3870399448 is a wasteful number, since it uses less digits than its factorization.

3870399448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483799937 (or 483799933 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 3870399448 is about 62212.5344926567. The cubic root of 3870399448 is about 1570.0684849837.

The spelling of 3870399448 in words is "three billion, eight hundred seventy million, three hundred ninety-nine thousand, four hundred forty-eight".