90402363 has 12 divisors (see below), whose sum is σ = 132531048. Its totient is φ = 59368320.

The previous prime is 90402349. The next prime is 90402391. The reversal of 90402363 is 36320409.

It is not a de Polignac number, because 90402363 - 2¹² = 90398267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90402163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74358 + ... + 75563.

It is an arithmetic number, because the mean of its divisors is an integer number (11044254).

Almost surely, 2^90402363 is an apocalyptic number.

90402363 is a deficient number, since it is larger than the sum of its proper divisors (42128685).

90402363 is a wasteful number, since it uses less digits than its factorization.

90402363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149994 (or 149991 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 90402363 is about 9508.0157235882. The cubic root of 90402363 is about 448.8073157653.

The spelling of 90402363 in words is "ninety million, four hundred two thousand, three hundred sixty-three".