1013994 has 12 divisors (see below), whose sum is σ = 2197026. Its totient is φ = 337992.

The previous prime is 1013993. The next prime is 1014007. The reversal of 1013994 is 4993101.

It can be written as a sum of positive squares in only one way, i.e., 1010025 + 3969 = 1005^2 + 63^2 .

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28149 + ... + 28184.

2^1013994 is an apocalyptic number.

1013994 is an abundant number, since it is smaller than the sum of its proper divisors (1183032).

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

1013994 is a wasteful number, since it uses less digits than its factorization.

1013994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56341 (or 56338 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1013994 is about 1006.9726907916. The cubic root of 1013994 is about 100.4643075154.

It can be divided in two parts, 101 and 3994, that added together give a triangular number (4095 = T₉₀).

The spelling of 1013994 in words is "one million, thirteen thousand, nine hundred ninety-four".