90840602 has 8 divisors (see below), whose sum is σ = 140656512. Its totient is φ = 43955100.

The previous prime is 90840601. The next prime is 90840623. The reversal of 90840602 is 20604809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90840601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732524 + ... + 732647.

It is an arithmetic number, because the mean of its divisors is an integer number (17582064).

Almost surely, 2^90840602 is an apocalyptic number.

90840602 is a deficient number, since it is larger than the sum of its proper divisors (49815910).

90840602 is a wasteful number, since it uses less digits than its factorization.

90840602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465204.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 90840602 is about 9531.0336270522. The cubic root of 90840602 is about 449.5313672765.

The spelling of 90840602 in words is "ninety million, eight hundred forty thousand, six hundred two".