387345907 has 8 divisors (see below), whose sum is σ = 417407984. Its totient is φ = 357321888.

The previous prime is 387345883. The next prime is 387345911. The reversal of 387345907 is 709543783.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 387345907 - 2¹⁵ = 387313139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387345947) 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, 13753 + ... + 31045.

It is an arithmetic number, because the mean of its divisors is an integer number (52175998).

Almost surely, 2^387345907 is an apocalyptic number.

387345907 is a deficient number, since it is larger than the sum of its proper divisors (30062077).

387345907 is a wasteful number, since it uses less digits than its factorization.

387345907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19029.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 387345907 is about 19681.1053297319. The cubic root of 387345907 is about 728.9532172675.

The spelling of 387345907 in words is "three hundred eighty-seven million, three hundred forty-five thousand, nine hundred seven".