90403355 has 8 divisors (see below), whose sum is σ = 123981792. Its totient is φ = 61990848.

The previous prime is 90403343. The next prime is 90403367. The reversal of 90403355 is 55330409.

It is an interprime number because it is at equal distance from previous prime (90403343) and next prime (90403367).

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

It is a cyclic number.

It is not a de Polignac number, because 90403355 - 2²⁴ = 73626139 is a prime.

It is a Duffinian 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, 1291442 + ... + 1291511.

It is an arithmetic number, because the mean of its divisors is an integer number (15497724).

Almost surely, 2^90403355 is an apocalyptic number.

90403355 is a deficient number, since it is larger than the sum of its proper divisors (33578437).

90403355 is a wasteful number, since it uses less digits than its factorization.

90403355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582965.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 90403355 is about 9508.0678899554. The cubic root of 90403355 is about 448.8089573715.

The spelling of 90403355 in words is "ninety million, four hundred three thousand, three hundred fifty-five".