230857405 has 16 divisors (see below), whose sum is σ = 279949824. Its totient is φ = 182750400.

The previous prime is 230857397. The next prime is 230857409. The reversal of 230857405 is 504758032.

It is a happy number.

It is not a de Polignac number, because 230857405 - 2³ = 230857397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230857409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219130 + ... + 220180.

It is an arithmetic number, because the mean of its divisors is an integer number (17496864).

Almost surely, 2^230857405 is an apocalyptic number.

It is an amenable number.

230857405 is a deficient number, since it is larger than the sum of its proper divisors (49092419).

230857405 is a wasteful number, since it uses less digits than its factorization.

230857405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 230857405 is about 15193.9923983132. The cubic root of 230857405 is about 613.4529649741.

The spelling of 230857405 in words is "two hundred thirty million, eight hundred fifty-seven thousand, four hundred five".