2331402 has 8 divisors (see below), whose sum is σ = 4662816. Its totient is φ = 777132.

The previous prime is 2331391. The next prime is 2331409. The reversal of 2331402 is 2041332.

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

2331402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2331409) 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, 194278 + ... + 194289.

It is an arithmetic number, because the mean of its divisors is an integer number (582852).

2^2331402 is an apocalyptic number.

2331402 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.

2331402 is a wasteful number, since it uses less digits than its factorization.

2331402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388572.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2331402 is about 1526.8929235542. The cubic root of 2331402 is about 132.5986354675.

Adding to 2331402 its reverse (2041332), we get a palindrome (4372734).

The spelling of 2331402 in words is "two million, three hundred thirty-one thousand, four hundred two".