385470550 has 24 divisors (see below), whose sum is σ = 721389096. Its totient is φ = 153239040.

The previous prime is 385470539. The next prime is 385470559. The reversal of 385470550 is 55074583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385470559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15499 + ... + 31798.

It is an arithmetic number, because the mean of its divisors is an integer number (30057879).

Almost surely, 2^385470550 is an apocalyptic number.

385470550 is a deficient number, since it is larger than the sum of its proper divisors (335918546).

385470550 is a wasteful number, since it uses less digits than its factorization.

385470550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47472 (or 47467 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 385470550 is about 19633.4039330932. The cubic root of 385470550 is about 727.7748909018.

It can be divided in two parts, 385 and 470550, that added together give a triangular number (470935 = T₉₇₀).

The spelling of 385470550 in words is "three hundred eighty-five million, four hundred seventy thousand, five hundred fifty".