104940 has 72 divisors (see below), whose sum is σ = 353808. Its totient is φ = 24960.

The previous prime is 104933. The next prime is 104947. The reversal of 104940 is 49401.

It is an interprime number because it is at equal distance from previous prime (104933) and next prime (104947).

It is a super-2 number, since 2×104940² = 22024807200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (104947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1954 + ... + 2006.

It is an arithmetic number, because the mean of its divisors is an integer number (4914).

2¹⁰⁴⁹⁴⁰ is an apocalyptic number.

104940 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 104940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176904).

104940 is an abundant number, since it is smaller than the sum of its proper divisors (248868).

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

104940 is a wasteful number, since it uses less digits than its factorization.

104940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 104940 is about 323.9444396806. The cubic root of 104940 is about 47.1679520072.

It can be divided in two parts, 1049 and 40, that added together give a square (1089 = 33²).

The spelling of 104940 in words is "one hundred four thousand, nine hundred forty".