90897430 has 16 divisors (see below), whose sum is σ = 176201424. Its totient is φ = 33562080.

The previous prime is 90897427. The next prime is 90897467. The reversal of 90897430 is 3479809.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349476 + ... + 349735.

It is an arithmetic number, because the mean of its divisors is an integer number (11012589).

Almost surely, 2^90897430 is an apocalyptic number.

90897430 is a deficient number, since it is larger than the sum of its proper divisors (85303994).

90897430 is a wasteful number, since it uses less digits than its factorization.

90897430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699231.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 90897430 is about 9534.0143696137. The cubic root of 90897430 is about 449.6250869085.

The spelling of 90897430 in words is "ninety million, eight hundred ninety-seven thousand, four hundred thirty".