90929002 has 4 divisors (see below), whose sum is σ = 136393506. Its totient is φ = 45464500.

The previous prime is 90928997. The next prime is 90929053. The reversal of 90929002 is 20092909.

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

It can be written as a sum of positive squares in only one way, i.e., 89510521 + 1418481 = 9461^2 + 1191^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22732249 + ... + 22732252.

Almost surely, 2^90929002 is an apocalyptic number.

90929002 is a deficient number, since it is larger than the sum of its proper divisors (45464504).

90929002 is a wasteful number, since it uses less digits than its factorization.

90929002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45464503.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 90929002 is about 9535.6699817055. The cubic root of 90929002 is about 449.6771379585.

The spelling of 90929002 in words is "ninety million, nine hundred twenty-nine thousand, two".