90351012 has 24 divisors (see below), whose sum is σ = 211178016. Its totient is φ = 30065728.

The previous prime is 90351011. The next prime is 90351047. The reversal of 90351012 is 21015309.

It is a self number, because there is not a number n which added to its sum of digits gives 90351012.

It is not an unprimeable number, because it can be changed into a prime (90351011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303 + ... + 13505.

It is an arithmetic number, because the mean of its divisors is an integer number (8799084).

Almost surely, 2^90351012 is an apocalyptic number.

It is an amenable number.

90351012 is an abundant number, since it is smaller than the sum of its proper divisors (120827004).

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

90351012 is a wasteful number, since it uses less digits than its factorization.

90351012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12827 (or 12825 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 90351012 is about 9505.3149342881. The cubic root of 90351012 is about 448.7223214178.

It can be divided in two parts, 903 and 51012, that added together give a palindrome (51915).

The spelling of 90351012 in words is "ninety million, three hundred fifty-one thousand, twelve".