104639260 has 96 divisors (see below), whose sum is σ = 252241920. Its totient is φ = 36115200.

The previous prime is 104639239. The next prime is 104639261. The reversal of 104639260 is 62936401.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104639261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456826 + ... + 457054.

It is an arithmetic number, because the mean of its divisors is an integer number (2627520).

Almost surely, 2^104639260 is an apocalyptic number.

104639260 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 104639260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126120960).

104639260 is an abundant number, since it is smaller than the sum of its proper divisors (147602660).

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

104639260 is a wasteful number, since it uses less digits than its factorization.

104639260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 104639260 is about 10229.3333116093. Note that the first 4 decimals coincide. The cubic root of 104639260 is about 471.2285048136.

The spelling of 104639260 in words is "one hundred four million, six hundred thirty-nine thousand, two hundred sixty".