386742907 has 12 divisors (see below), whose sum is σ = 415236640. Its totient is φ = 359911728.

The previous prime is 386742901. The next prime is 386742913. The reversal of 386742907 is 709247683.

It is an interprime number because it is at equal distance from previous prime (386742901) and next prime (386742913).

It is not a de Polignac number, because 386742907 - 2⁷ = 386742779 is a prime.

It is a super-2 number, since 2×386742907² = 299140152229621298, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386742901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9694 + ... + 29452.

Almost surely, 2^386742907 is an apocalyptic number.

386742907 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

386742907 is a deficient number, since it is larger than the sum of its proper divisors (28493733).

386742907 is a wasteful number, since it uses less digits than its factorization.

386742907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19842 (or 19819 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 386742907 is about 19665.7801014859. The cubic root of 386742907 is about 728.5747553005.

The spelling of 386742907 in words is "three hundred eighty-six million, seven hundred forty-two thousand, nine hundred seven".