230194990 has 16 divisors (see below), whose sum is σ = 421374960. Its totient is φ = 90517120.

The previous prime is 230194969. The next prime is 230194999. The reversal of 230194990 is 99491032.

It is a super-2 number, since 2×230194990² = 105979466842200200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230194999) 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, 194491 + ... + 195670.

It is an arithmetic number, because the mean of its divisors is an integer number (26335935).

Almost surely, 2^230194990 is an apocalyptic number.

230194990 is a deficient number, since it is larger than the sum of its proper divisors (191179970).

230194990 is a wasteful number, since it uses less digits than its factorization.

230194990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390227.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 230194990 is about 15172.1781560856. The cubic root of 230194990 is about 612.8656619843.

The spelling of 230194990 in words is "two hundred thirty million, one hundred ninety-four thousand, nine hundred ninety".