385099340 has 12 divisors (see below), whose sum is σ = 808708656. Its totient is φ = 154039728.

The previous prime is 385099331. The next prime is 385099397. The reversal of 385099340 is 43990583.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9627464 + ... + 9627503.

It is an arithmetic number, because the mean of its divisors is an integer number (67392388).

Almost surely, 2^385099340 is an apocalyptic number.

It is an amenable number.

385099340 is an abundant number, since it is smaller than the sum of its proper divisors (423609316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385099340 is a wasteful number, since it uses less digits than its factorization.

385099340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19254976 (or 19254974 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 385099340 is about 19623.9481246766. The cubic root of 385099340 is about 727.5411989595.

The spelling of 385099340 in words is "three hundred eighty-five million, ninety-nine thousand, three hundred forty".