90476039 has 2 divisors, whose sum is σ = 90476040. Its totient is φ = 90476038.

The previous prime is 90476003. The next prime is 90476041. The reversal of 90476039 is 93067409.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90476039 is a prime.

Together with 90476041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 90475993 and 90476011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90476069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45238019 + 45238020.

It is an arithmetic number, because the mean of its divisors is an integer number (45238020).

Almost surely, 2^90476039 is an apocalyptic number.

90476039 is a deficient number, since it is larger than the sum of its proper divisors (1).

90476039 is an equidigital number, since it uses as much as digits as its factorization.

90476039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 90476039 is about 9511.8893496508. The cubic root of 90476039 is about 448.9292054592.

The spelling of 90476039 in words is "ninety million, four hundred seventy-six thousand, thirty-nine".