385922280 has 64 divisors (see below), whose sum is σ = 1160668800. Its totient is φ = 102654720.

The previous prime is 385922279. The next prime is 385922293. The reversal of 385922280 is 82229583.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46701 + ... + 54339.

It is an arithmetic number, because the mean of its divisors is an integer number (18135450).

Almost surely, 2^385922280 is an apocalyptic number.

385922280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385922280 is an abundant number, since it is smaller than the sum of its proper divisors (774746520).

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

385922280 is a wasteful number, since it uses less digits than its factorization.

385922280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074 (or 8070 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 385922280 is about 19644.9046828942. The cubic root of 385922280 is about 728.0590712040.

The spelling of 385922280 in words is "three hundred eighty-five million, nine hundred twenty-two thousand, two hundred eighty".