104590640 has 80 divisors (see below), whose sum is σ = 303194880. Its totient is φ = 32597760.

The previous prime is 104590583. The next prime is 104590643. The reversal of 104590640 is 46095401.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (104590643) 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, 2330 + ... + 14649.

It is an arithmetic number, because the mean of its divisors is an integer number (3789936).

Almost surely, 2^104590640 is an apocalyptic number.

104590640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104590640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151597440).

104590640 is an abundant number, since it is smaller than the sum of its proper divisors (198604240).

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

104590640 is a wasteful number, since it uses less digits than its factorization.

104590640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17010 (or 17004 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 104590640 is about 10226.9565365264. The cubic root of 104590640 is about 471.1555090141.

The spelling of 104590640 in words is "one hundred four million, five hundred ninety thousand, six hundred forty".