90236460 has 24 divisors (see below), whose sum is σ = 252662256. Its totient is φ = 24063040.

The previous prime is 90236431. The next prime is 90236501. The reversal of 90236460 is 6463209.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 751911 + ... + 752030.

It is an arithmetic number, because the mean of its divisors is an integer number (10527594).

Almost surely, 2^90236460 is an apocalyptic number.

It is an amenable number.

90236460 is an abundant number, since it is smaller than the sum of its proper divisors (162425796).

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

90236460 is a wasteful number, since it uses less digits than its factorization.

90236460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503953 (or 1503951 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 90236460 is about 9499.2873416904. The cubic root of 90236460 is about 448.5326029078.

Adding to 90236460 its reverse (6463209), we get a palindrome (96699669).

The spelling of 90236460 in words is "ninety million, two hundred thirty-six thousand, four hundred sixty".