90094004 has 48 divisors (see below), whose sum is σ = 211698816. Its totient is φ = 32400000.

The previous prime is 90093977. The next prime is 90094009. The reversal of 90094004 is 40049009.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90094009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7247 + ... + 15254.

It is an arithmetic number, because the mean of its divisors is an integer number (4410392).

Almost surely, 2^90094004 is an apocalyptic number.

It is an amenable number.

90094004 is an abundant number, since it is smaller than the sum of its proper divisors (121604812).

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

90094004 is a wasteful number, since it uses less digits than its factorization.

90094004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22536 (or 22534 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 90094004 is about 9491.7861332839. The cubic root of 90094004 is about 448.2964462803.

It can be divided in two parts, 9009 and 4004, that multiplied together give a square (36072036 = 6006²).

The spelling of 90094004 in words is "ninety million, ninety-four thousand, four".