2428031 has 4 divisors (see below), whose sum is σ = 2449632. Its totient is φ = 2406432.

The previous prime is 2428021. The next prime is 2428033. The reversal of 2428031 is 1308242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2428031 is a prime.

It is a super-3 number, since 3×2428031³ = 42942165033335861373, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2427994 and 2428012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10631 + ... + 10856.

It is an arithmetic number, because the mean of its divisors is an integer number (612408).

2^2428031 is an apocalyptic number.

2428031 is a deficient number, since it is larger than the sum of its proper divisors (21601).

2428031 is a wasteful number, since it uses less digits than its factorization.

2428031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2428031 is about 1558.2140417799. The cubic root of 2428031 is about 134.4058202966.

The spelling of 2428031 in words is "two million, four hundred twenty-eight thousand, thirty-one".