1013992 has 32 divisors (see below), whose sum is σ = 2289600. Its totient is φ = 411264.

The previous prime is 1013933. The next prime is 1013993. The reversal of 1013992 is 2993101.

It is not an unprimeable number, because it can be changed into a prime (1013993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588 + ... + 1540.

It is an arithmetic number, because the mean of its divisors is an integer number (71550).

2^1013992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144800).

1013992 is an abundant number, since it is smaller than the sum of its proper divisors (1275608).

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

1013992 is a wasteful number, since it uses less digits than its factorization.

1013992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1013992 is about 1006.9716977155. The cubic root of 1013992 is about 100.4642414635.

The spelling of 1013992 in words is "one million, thirteen thousand, nine hundred ninety-two".