2031402 has 8 divisors (see below), whose sum is σ = 4062816. Its totient is φ = 677132.

The previous prime is 2031397. The next prime is 2031409. The reversal of 2031402 is 2041302.

It is a sphenic number, since it is the product of 3 distinct primes.

2031402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2031409) 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, 169278 + ... + 169289.

It is an arithmetic number, because the mean of its divisors is an integer number (507852).

2^2031402 is an apocalyptic number.

2031402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2031402 is a wasteful number, since it uses less digits than its factorization.

2031402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338572.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2031402 is about 1425.2726055039. The cubic root of 2031402 is about 126.6480843778.

Adding to 2031402 its reverse (2041302), we get a palindrome (4072704).

The spelling of 2031402 in words is "two million, thirty-one thousand, four hundred two".