290489112 has 32 divisors (see below), whose sum is σ = 806914800. Its totient is φ = 96829632.

The previous prime is 290489051. The next prime is 290489113. The reversal of 290489112 is 211984092.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290489113) 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, 672213 + ... + 672644.

Almost surely, 2^290489112 is an apocalyptic number.

It is an amenable number.

290489112 is an abundant number, since it is smaller than the sum of its proper divisors (516425688).

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

290489112 is a wasteful number, since it uses less digits than its factorization.

290489112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344872 (or 1344862 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 290489112 is about 17043.7411386116. The cubic root of 290489112 is about 662.2825104056.

The spelling of 290489112 in words is "two hundred ninety million, four hundred eighty-nine thousand, one hundred twelve".