90950000 has 120 divisors (see below), whose sum is σ = 235391184. Its totient is φ = 33920000.

The previous prime is 90949997. The next prime is 90950009. The reversal of 90950000 is 5909.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90950009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 849947 + ... + 850053.

Almost surely, 2^90950000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117695592).

90950000 is an abundant number, since it is smaller than the sum of its proper divisors (144441184).

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

90950000 is a wasteful number, since it uses less digits than its factorization.

90950000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 90950000 is about 9536.7709419908. The cubic root of 90950000 is about 449.7117495551.

Adding to 90950000 its reverse (5909), we get a palindrome (90955909).

The spelling of 90950000 in words is "ninety million, nine hundred fifty thousand".