90340966 has 4 divisors (see below), whose sum is σ = 135511452. Its totient is φ = 45170482.

The previous prime is 90340949. The next prime is 90340969. The reversal of 90340966 is 66904309.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×90340966² = 16322980275626312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90340969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22585240 + ... + 22585243.

It is an arithmetic number, because the mean of its divisors is an integer number (33877863).

Almost surely, 2^90340966 is an apocalyptic number.

90340966 is a deficient number, since it is larger than the sum of its proper divisors (45170486).

90340966 is a wasteful number, since it uses less digits than its factorization.

90340966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45170485.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 90340966 is about 9504.7864784013. The cubic root of 90340966 is about 448.7056898700.

It can be divided in two parts, 90 and 340966, that added together give a square (341056 = 584²).

The spelling of 90340966 in words is "ninety million, three hundred forty thousand, nine hundred sixty-six".