1013940 has 72 divisors (see below), whose sum is σ = 3171168. Its totient is φ = 262080.

The previous prime is 1013933. The next prime is 1013993. The reversal of 1013940 is 493101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7675 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (44044).

2^1013940 is an apocalyptic number.

1013940 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 1013940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585584).

1013940 is an abundant number, since it is smaller than the sum of its proper divisors (2157228).

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

1013940 is a wasteful number, since it uses less digits than its factorization.

1013940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1013940 is about 1006.9458773936. The cubic root of 1013940 is about 100.4625240832.

It can be divided in two parts, 1013 and 940, that added together give a triangular number (1953 = T₆₂).

The spelling of 1013940 in words is "one million, thirteen thousand, nine hundred forty".