385297344 has 112 divisors (see below), whose sum is σ = 1138062240. Its totient is φ = 127825920.

The previous prime is 385297337. The next prime is 385297351. The reversal of 385297344 is 443792583.

It is an interprime number because it is at equal distance from previous prime (385297337) and next prime (385297351).

It is a self number, because there is not a number n which added to its sum of digits gives 385297344.

It is a congruent number.

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, 505924 + ... + 506684.

It is an arithmetic number, because the mean of its divisors is an integer number (10161270).

Almost surely, 2^385297344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385297344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569031120).

385297344 is an abundant number, since it is smaller than the sum of its proper divisors (752764896).

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

385297344 is a wasteful number, since it uses less digits than its factorization.

385297344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1059 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 385297344 is about 19628.9924346615. The cubic root of 385297344 is about 727.6658692893.

It can be divided in two parts, 385297 and 344, that added together give a square (385641 = 621²).

The spelling of 385297344 in words is "three hundred eighty-five million, two hundred ninety-seven thousand, three hundred forty-four".