230406490 has 16 divisors (see below), whose sum is σ = 415508040. Its totient is φ = 91990080.

The previous prime is 230406467. The next prime is 230406497. The reversal of 230406490 is 94604032.

It can be written as a sum of positive squares in 4 ways, for example, as 128981449 + 101425041 = 11357^2 + 10071^2 .

It is not an unprimeable number, because it can be changed into a prime (230406497) 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, 15885 + ... + 26704.

Almost surely, 2^230406490 is an apocalyptic number.

230406490 is a deficient number, since it is larger than the sum of its proper divisors (185101550).

230406490 is a wasteful number, since it uses less digits than its factorization.

230406490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43137.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 230406490 is about 15179.1465504487. The cubic root of 230406490 is about 613.0533020509.

The spelling of 230406490 in words is "two hundred thirty million, four hundred six thousand, four hundred ninety".