90306463 has 4 divisors (see below), whose sum is σ = 97253128. Its totient is φ = 83359800.

The previous prime is 90306457. The next prime is 90306467. The reversal of 90306463 is 36460309.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90306463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90306467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473313 + ... + 3473338.

It is an arithmetic number, because the mean of its divisors is an integer number (24313282).

Almost surely, 2^90306463 is an apocalyptic number.

90306463 is a deficient number, since it is larger than the sum of its proper divisors (6946665).

90306463 is a wasteful number, since it uses less digits than its factorization.

90306463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946664.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 90306463 is about 9502.9712721864. The cubic root of 90306463 is about 448.6485594066.

The spelling of 90306463 in words is "ninety million, three hundred six thousand, four hundred sixty-three".