90000692 has 6 divisors (see below), whose sum is σ = 157501218. Its totient is φ = 45000344.

The previous prime is 90000683. The next prime is 90000697. The reversal of 90000692 is 29600009.

90000692 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 89794576 + 206116 = 9476^2 + 454^2 .

90000692 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90000697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250083 + ... + 11250090.

It is an arithmetic number, because the mean of its divisors is an integer number (26250203).

Almost surely, 2^90000692 is an apocalyptic number.

It is an amenable number.

90000692 is a deficient number, since it is larger than the sum of its proper divisors (67500526).

90000692 is a wasteful number, since it uses less digits than its factorization.

90000692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22500177 (or 22500175 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 90000692 is about 9486.8694520374. The cubic root of 90000692 is about 448.1416232202.

The spelling of 90000692 in words is "ninety million, six hundred ninety-two", and thus it is an aban number.