385893730 has 16 divisors (see below), whose sum is σ = 701487864. Its totient is φ = 152828800.

The previous prime is 385893721. The next prime is 385893737. The reversal of 385893730 is 37398583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 366454449 + 19439281 = 19143^2 + 4409^2 .

It is not an unprimeable number, because it can be changed into a prime (385893737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190027 + ... + 192046.

Almost surely, 2^385893730 is an apocalyptic number.

385893730 is a deficient number, since it is larger than the sum of its proper divisors (315594134).

385893730 is a wasteful number, since it uses less digits than its factorization.

385893730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382181.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 385893730 is about 19644.1780179268. The cubic root of 385893730 is about 728.0411171580.

The spelling of 385893730 in words is "three hundred eighty-five million, eight hundred ninety-three thousand, seven hundred thirty".