913690 has 8 divisors (see below), whose sum is σ = 1644660. Its totient is φ = 365472.

The previous prime is 913687. The next prime is 913709. The reversal of 913690 is 96319.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 877969 + 35721 = 937^2 + 189^2 .

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

It is a super-2 number, since 2×913690² = 1669658832200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45675 + ... + 45694.

2⁹¹³⁶⁹⁰ is an apocalyptic number.

913690 is a deficient number, since it is larger than the sum of its proper divisors (730970).

913690 is a wasteful number, since it uses less digits than its factorization.

913690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91376.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 913690 is about 955.8713302532. The cubic root of 913690 is about 97.0360159593.

It can be divided in two parts, 91 and 3690, that multiplied together give a triangular number (335790 = T₈₁₉).

The spelling of 913690 in words is "nine hundred thirteen thousand, six hundred ninety".