90407 has 2 divisors, whose sum is σ = 90408. Its totient is φ = 90406.

The previous prime is 90403. The next prime is 90437. The reversal of 90407 is 70409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90407 - 2² = 90403 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90407.

It is not a weakly prime, because it can be changed into another prime (90401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45203 + 45204.

It is an arithmetic number, because the mean of its divisors is an integer number (45204).

2⁹⁰⁴⁰⁷ is an apocalyptic number.

90407 is a deficient number, since it is larger than the sum of its proper divisors (1).

90407 is an equidigital number, since it uses as much as digits as its factorization.

90407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 90407 is about 300.6775681690. The cubic root of 90407 is about 44.8814989178.

The spelling of 90407 in words is "ninety thousand, four hundred seven".