90494347 has 2 divisors, whose sum is σ = 90494348. Its totient is φ = 90494346.

The previous prime is 90494323. The next prime is 90494353. The reversal of 90494347 is 74349409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90494347 - 2⁷ = 90494219 is a prime.

It is not a weakly prime, because it can be changed into another prime (90494357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45247173 + 45247174.

It is an arithmetic number, because the mean of its divisors is an integer number (45247174).

Almost surely, 2^90494347 is an apocalyptic number.

90494347 is a deficient number, since it is larger than the sum of its proper divisors (1).

90494347 is an equidigital number, since it uses as much as digits as its factorization.

90494347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 90494347 is about 9512.8516754967. The cubic root of 90494347 is about 448.9594839789.

The spelling of 90494347 in words is "ninety million, four hundred ninety-four thousand, three hundred forty-seven".