8690442 has 16 divisors (see below), whose sum is σ = 17805312. Its totient is φ = 2826080.

The previous prime is 8690413. The next prime is 8690453. The reversal of 8690442 is 2440968.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17418 + ... + 17909.

It is an arithmetic number, because the mean of its divisors is an integer number (1112832).

Almost surely, 2^8690442 is an apocalyptic number.

8690442 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8690442 is an abundant number, since it is smaller than the sum of its proper divisors (9114870).

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

8690442 is a wasteful number, since it uses less digits than its factorization.

8690442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35373.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 8690442 is about 2947.9555627587. The cubic root of 8690442 is about 205.5956658788.

The spelling of 8690442 in words is "eight million, six hundred ninety thousand, four hundred forty-two".