90242036 has 24 divisors (see below), whose sum is σ = 162217440. Its totient is φ = 43902432.

The previous prime is 90242029. The next prime is 90242057. The reversal of 90242036 is 63024209.

It is a super-2 number, since 2×90242036² = 16287250122850592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90241996 and 90242014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51950 + ... + 53658.

It is an arithmetic number, because the mean of its divisors is an integer number (6759060).

Almost surely, 2^90242036 is an apocalyptic number.

It is an amenable number.

90242036 is a deficient number, since it is larger than the sum of its proper divisors (71975404).

90242036 is a wasteful number, since it uses less digits than its factorization.

90242036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 90242036 is about 9499.5808328578. The cubic root of 90242036 is about 448.5418414731.

It can be divided in two parts, 9024203 and 6, that added together give a palindrome (9024209).

The spelling of 90242036 in words is "ninety million, two hundred forty-two thousand, thirty-six".