387492994 has 16 divisors (see below), whose sum is σ = 685702656. Its totient is φ = 160711200.

The previous prime is 387492991. The next prime is 387492997. The reversal of 387492994 is 499294783.

It is an interprime number because it is at equal distance from previous prime (387492991) and next prime (387492997).

It is not an unprimeable number, because it can be changed into a prime (387492991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445987 + ... + 446854.

It is an arithmetic number, because the mean of its divisors is an integer number (42856416).

Almost surely, 2^387492994 is an apocalyptic number.

387492994 is a deficient number, since it is larger than the sum of its proper divisors (298209662).

387492994 is a wasteful number, since it uses less digits than its factorization.

387492994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892881.

The product of its digits is 3919104, while the sum is 55.

The square root of 387492994 is about 19684.8417316472. The cubic root of 387492994 is about 729.0454741463.

The spelling of 387492994 in words is "three hundred eighty-seven million, four hundred ninety-two thousand, nine hundred ninety-four".