900935690 has 8 divisors (see below), whose sum is σ = 1621684260. Its totient is φ = 360374272.

The previous prime is 900935687. The next prime is 900935713. The reversal of 900935690 is 96539009.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 816644929 + 84290761 = 28577^2 + 9181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×900935690² = 1623370235031552200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45046775 + ... + 45046794.

Almost surely, 2^900935690 is an apocalyptic number.

900935690 is a deficient number, since it is larger than the sum of its proper divisors (720748570).

900935690 is a wasteful number, since it uses less digits than its factorization.

900935690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90093576.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 900935690 is about 30015.5907821252. The cubic root of 900935690 is about 965.8238608532.

The spelling of 900935690 in words is "nine hundred million, nine hundred thirty-five thousand, six hundred ninety".