90469548 has 120 divisors (see below), whose sum is σ = 260686272. Its totient is φ = 27184896.

The previous prime is 90469543. The next prime is 90469553. The reversal of 90469548 is 84596409.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90469543) and next prime (90469553).

It is not an unprimeable number, because it can be changed into a prime (90469543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 197736 + ... + 198192.

Almost surely, 2^90469548 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 90469548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130343136).

90469548 is an abundant number, since it is smaller than the sum of its proper divisors (170216724).

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

90469548 is a wasteful number, since it uses less digits than its factorization.

90469548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 90469548 is about 9511.5481389730. The cubic root of 90469548 is about 448.9184693970.

The spelling of 90469548 in words is "ninety million, four hundred sixty-nine thousand, five hundred forty-eight".