900900340 has 48 divisors (see below), whose sum is σ = 1976970240. Its totient is φ = 344199680.

The previous prime is 900900337. The next prime is 900900359. The reversal of 900900340 is 43009009.

It is a super-2 number, since 2×900900340² = 1623242845224231200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625341 + ... + 626779.

It is an arithmetic number, because the mean of its divisors is an integer number (41186880).

Almost surely, 2^900900340 is an apocalyptic number.

It is an amenable number.

900900340 is an abundant number, since it is smaller than the sum of its proper divisors (1076069900).

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

900900340 is a wasteful number, since it uses less digits than its factorization.

900900340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 900900340 is about 30015.0019157088. The cubic root of 900900340 is about 965.8112286826.

Adding to 900900340 its reverse (43009009), we get a palindrome (943909349).

The spelling of 900900340 in words is "nine hundred million, nine hundred thousand, three hundred forty".