387393874 has 8 divisors (see below), whose sum is σ = 664103808. Its totient is φ = 166025940.

The previous prime is 387393863. The next prime is 387393893. The reversal of 387393874 is 478393783.

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

It is a super-2 number, since 2×387393874² = 300148027225455752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13835482 + ... + 13835509.

It is an arithmetic number, because the mean of its divisors is an integer number (83012976).

Almost surely, 2^387393874 is an apocalyptic number.

387393874 is a deficient number, since it is larger than the sum of its proper divisors (276709934).

387393874 is a wasteful number, since it uses less digits than its factorization.

387393874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27671000.

The product of its digits is 3048192, while the sum is 52.

The square root of 387393874 is about 19682.3238973450. The cubic root of 387393874 is about 728.9833060117.

Subtracting 387393874 from its reverse (478393783), we obtain a palindrome (90999909).

The spelling of 387393874 in words is "three hundred eighty-seven million, three hundred ninety-three thousand, eight hundred seventy-four".