90673884 has 192 divisors, whose sum is σ = 286433280. Its totient is φ = 24261120.

The previous prime is 90673883. The next prime is 90673897. The reversal of 90673884 is 48837609.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90673883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1242072 + ... + 1242144.

It is an arithmetic number, because the mean of its divisors is an integer number (1491840).

Almost surely, 2^90673884 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 90673884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143216640).

90673884 is an abundant number, since it is smaller than the sum of its proper divisors (195759396).

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

90673884 is a wasteful number, since it uses less digits than its factorization.

90673884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 90673884 is about 9522.2835496534. The cubic root of 90673884 is about 449.2561934592.

The spelling of 90673884 in words is "ninety million, six hundred seventy-three thousand, eight hundred eighty-four".