3989031 has 16 divisors (see below), whose sum is σ = 5721600. Its totient is φ = 2464128.

The previous prime is 3989023. The next prime is 3989039. The reversal of 3989031 is 1309893.

It is an interprime number because it is at equal distance from previous prime (3989023) and next prime (3989039).

It is not a de Polignac number, because 3989031 - 2³ = 3989023 is a prime.

It is a super-2 number, since 2×3989031² = 31824736637922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3988983 and 3989001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (357600).

Almost surely, 2^3989031 is an apocalyptic number.

3989031 is a deficient number, since it is larger than the sum of its proper divisors (1732569).

3989031 is a wasteful number, since it uses less digits than its factorization.

3989031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 3989031 is about 1997.2558674341. The cubic root of 3989031 is about 158.5948706749.

The spelling of 3989031 in words is "three million, nine hundred eighty-nine thousand, thirty-one".