290472340 has 48 divisors (see below), whose sum is σ = 623952000. Its totient is φ = 113553792.

The previous prime is 290472307. The next prime is 290472341. The reversal of 290472340 is 43274092.

290472340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290472341) 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, 234202 + ... + 235438.

It is an arithmetic number, because the mean of its divisors is an integer number (12999000).

Almost surely, 2^290472340 is an apocalyptic number.

290472340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290472340 is an abundant number, since it is smaller than the sum of its proper divisors (333479660).

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

290472340 is a wasteful number, since it uses less digits than its factorization.

290472340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 290472340 is about 17043.2491033840. The cubic root of 290472340 is about 662.2697640689.

The spelling of 290472340 in words is "two hundred ninety million, four hundred seventy-two thousand, three hundred forty".