90699434 has 16 divisors (see below), whose sum is σ = 157616448. Its totient is φ = 38338272.

The previous prime is 90699319. The next prime is 90699449. The reversal of 90699434 is 43499609.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 43352 + ... + 45395.

It is an arithmetic number, because the mean of its divisors is an integer number (9851028).

Almost surely, 2^90699434 is an apocalyptic number.

90699434 is a deficient number, since it is larger than the sum of its proper divisors (66917014).

90699434 is a wasteful number, since it uses less digits than its factorization.

90699434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88829.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 90699434 is about 9523.6250451181. The cubic root of 90699434 is about 449.2983864894.

The spelling of 90699434 in words is "ninety million, six hundred ninety-nine thousand, four hundred thirty-four".