90969092 has 6 divisors (see below), whose sum is σ = 159195918. Its totient is φ = 45484544.

The previous prime is 90969083. The next prime is 90969101. The reversal of 90969092 is 29096909.

It is an interprime number because it is at equal distance from previous prime (90969083) and next prime (90969101).

It can be written as a sum of positive squares in only one way, i.e., 84897796 + 6071296 = 9214^2 + 2464^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11371133 + ... + 11371140.

It is an arithmetic number, because the mean of its divisors is an integer number (26532653).

Almost surely, 2^90969092 is an apocalyptic number.

It is an amenable number.

90969092 is a deficient number, since it is larger than the sum of its proper divisors (68226826).

90969092 is a wasteful number, since it uses less digits than its factorization.

90969092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22742277 (or 22742275 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 90969092 is about 9537.7718572002. The cubic root of 90969092 is about 449.7432148145.

The spelling of 90969092 in words is "ninety million, nine hundred sixty-nine thousand, ninety-two".