938690 has 32 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 350784.

The previous prime is 938681. The next prime is 938713. The reversal of 938690 is 96839.

It is a super-2 number, since 2×938690² = 1762277832200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 938690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15881 + ... + 15939.

It is an arithmetic number, because the mean of its divisors is an integer number (56430).

2⁹³⁸⁶⁹⁰ is an apocalyptic number.

938690 is a deficient number, since it is larger than the sum of its proper divisors (867070).

938690 is a wasteful number, since it uses less digits than its factorization.

938690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 938690 is about 968.8601550275. The cubic root of 938690 is about 97.9130841202.

The spelling of 938690 in words is "nine hundred thirty-eight thousand, six hundred ninety".