90513460 has 24 divisors (see below), whose sum is σ = 192487680. Its totient is φ = 35746464.

The previous prime is 90513443. The next prime is 90513463. The reversal of 90513460 is 6431509.

It is a super-4 number, since 4×90513460⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90513463) 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, 27064 + ... + 30223.

It is an arithmetic number, because the mean of its divisors is an integer number (8020320).

Almost surely, 2^90513460 is an apocalyptic number.

It is an amenable number.

90513460 is an abundant number, since it is smaller than the sum of its proper divisors (101974220).

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

90513460 is a wasteful number, since it uses less digits than its factorization.

90513460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57375 (or 57373 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 90513460 is about 9513.8562108117. The cubic root of 90513460 is about 448.9910894838.

Adding to 90513460 its reverse (6431509), we get a palindrome (96944969).

It can be divided in two parts, 905 and 13460, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 90513460 in words is "ninety million, five hundred thirteen thousand, four hundred sixty".