90248994 has 96 divisors (see below), whose sum is σ = 223082496. Its totient is φ = 26127360.

The previous prime is 90248989. The next prime is 90248999. The reversal of 90248994 is 49984209.

90248994 = T₄₅₂ + T₄₅₃ + ... + T₈₅₈.

It is an interprime number because it is at equal distance from previous prime (90248989) and next prime (90248999).

It is not an unprimeable number, because it can be changed into a prime (90248999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 710559 + ... + 710685.

It is an arithmetic number, because the mean of its divisors is an integer number (2323776).

Almost surely, 2^90248994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90248994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111541248).

90248994 is an abundant number, since it is smaller than the sum of its proper divisors (132833502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90248994 is a wasteful number, since it uses less digits than its factorization.

90248994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 90248994 is about 9499.9470524840. The cubic root of 90248994 is about 448.5533692638.

The spelling of 90248994 in words is "ninety million, two hundred forty-eight thousand, nine hundred ninety-four".