387039093 has 12 divisors (see below), whose sum is σ = 600305760. Its totient is φ = 221165112.

The previous prime is 387039073. The next prime is 387039109. The reversal of 387039093 is 390930783.

It is a happy number.

It is not a de Polignac number, because 387039093 - 2¹³ = 387030901 is a prime.

It is a hoax number, since the sum of its digits (42) 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 (387039013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1316313 + ... + 1316606.

It is an arithmetic number, because the mean of its divisors is an integer number (50025480).

Almost surely, 2^387039093 is an apocalyptic number.

It is an amenable number.

387039093 is a deficient number, since it is larger than the sum of its proper divisors (213266667).

387039093 is a wasteful number, since it uses less digits than its factorization.

387039093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632936 (or 2632929 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 387039093 is about 19673.3091522499. The cubic root of 387039093 is about 728.7607001696.

The spelling of 387039093 in words is "three hundred eighty-seven million, thirty-nine thousand, ninety-three".