385407099 has 96 divisors (see below), whose sum is σ = 736750080. Its totient is φ = 196862400.

The previous prime is 385407083. The next prime is 385407103. The reversal of 385407099 is 990704583.

385407099 is a `hidden beast` number, since 38 + 540 + 70 + 9 + 9 = 666.

It is not a de Polignac number, because 385407099 - 2⁴ = 385407083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385407079) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1033077 + ... + 1033449.

It is an arithmetic number, because the mean of its divisors is an integer number (7674480).

Almost surely, 2^385407099 is an apocalyptic number.

385407099 is a deficient number, since it is larger than the sum of its proper divisors (351342981).

385407099 is a wasteful number, since it uses less digits than its factorization.

385407099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 385407099 is about 19631.7879725714. The cubic root of 385407099 is about 727.7349565250.

The spelling of 385407099 in words is "three hundred eighty-five million, four hundred seven thousand, ninety-nine".