90460493 has 2 divisors, whose sum is σ = 90460494. Its totient is φ = 90460492.

The previous prime is 90460459. The next prime is 90460507. The reversal of 90460493 is 39406409.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80335369 + 10125124 = 8963^2 + 3182^2 .

It is a cyclic number.

It is not a de Polignac number, because 90460493 - 2⁶ = 90460429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90460423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45230246 + 45230247.

It is an arithmetic number, because the mean of its divisors is an integer number (45230247).

Almost surely, 2^90460493 is an apocalyptic number.

It is an amenable number.

90460493 is a deficient number, since it is larger than the sum of its proper divisors (1).

90460493 is an equidigital number, since it uses as much as digits as its factorization.

90460493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 90460493 is about 9511.0721267373. The cubic root of 90460493 is about 448.9034916413.

The spelling of 90460493 in words is "ninety million, four hundred sixty thousand, four hundred ninety-three".