90244942 has 8 divisors (see below), whose sum is σ = 143330256. Its totient is φ = 42468192.

The previous prime is 90244909. The next prime is 90244949. The reversal of 90244942 is 24944209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2654263 = 90244942 / (9 + 0 + 2 + 4 + 4 + 9 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 90244898 and 90244907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90244949) 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, 1327098 + ... + 1327165.

It is an arithmetic number, because the mean of its divisors is an integer number (17916282).

Almost surely, 2^90244942 is an apocalyptic number.

90244942 is a deficient number, since it is larger than the sum of its proper divisors (53085314).

90244942 is a wasteful number, since it uses less digits than its factorization.

90244942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654282.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 90244942 is about 9499.7337857437. The cubic root of 90244942 is about 448.5466561125.

The spelling of 90244942 in words is "ninety million, two hundred forty-four thousand, nine hundred forty-two".