1994031 has 48 divisors (see below), whose sum is σ = 3513600. Its totient is φ = 1111968.

The previous prime is 1993997. The next prime is 1994033. The reversal of 1994031 is 1304991.

It is not a de Polignac number, because 1994031 - 2¹⁸ = 1731887 is a prime.

It is a super-2 number, since 2×1994031² = 7952319257922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1993986 and 1994004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86686 + ... + 86708.

It is an arithmetic number, because the mean of its divisors is an integer number (73200).

2^1994031 is an apocalyptic number.

1994031 is a deficient number, since it is larger than the sum of its proper divisors (1519569).

1994031 is a wasteful number, since it uses less digits than its factorization.

1994031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 58 counting only the distinct ones).

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

The square root of 1994031 is about 1412.1016252381. The cubic root of 1994031 is about 125.8666389430.

Adding to 1994031 its product of nonzero digits (972), we get a triangular number (1995003 = T₁₉₉₇).

The spelling of 1994031 in words is "one million, nine hundred ninety-four thousand, thirty-one".