90435319 has 4 divisors (see below), whose sum is σ = 97391896. Its totient is φ = 83478744.

The previous prime is 90435271. The next prime is 90435337. The reversal of 90435319 is 91353409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91353409 = 7 ⋅13050487.

It is a cyclic number.

It is not a de Polignac number, because 90435319 - 2²³ = 82046711 is a prime.

It is a super-2 number, since 2×90435319² = 16357093845263522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90435419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3478269 + ... + 3478294.

It is an arithmetic number, because the mean of its divisors is an integer number (24347974).

Almost surely, 2^90435319 is an apocalyptic number.

90435319 is a deficient number, since it is larger than the sum of its proper divisors (6956577).

90435319 is a wasteful number, since it uses less digits than its factorization.

90435319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956576.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 90435319 is about 9509.7486296957. The cubic root of 90435319 is about 448.8618464082.

The spelling of 90435319 in words is "ninety million, four hundred thirty-five thousand, three hundred nineteen".