90623435 has 16 divisors (see below), whose sum is σ = 124721856. Its totient is φ = 61922688.

The previous prime is 90623431. The next prime is 90623443. The reversal of 90623435 is 53432609.

It is a cyclic number.

It is not a de Polignac number, because 90623435 - 2² = 90623431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90623431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5837 + ... + 14673.

It is an arithmetic number, because the mean of its divisors is an integer number (7795116).

Almost surely, 2^90623435 is an apocalyptic number.

90623435 is a deficient number, since it is larger than the sum of its proper divisors (34098421).

90623435 is a wasteful number, since it uses less digits than its factorization.

90623435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 90623435 is about 9519.6341841480. The cubic root of 90623435 is about 449.1728591725.

The spelling of 90623435 in words is "ninety million, six hundred twenty-three thousand, four hundred thirty-five".