2303402 has 4 divisors (see below), whose sum is σ = 3455106. Its totient is φ = 1151700.

The previous prime is 2303387. The next prime is 2303407. The reversal of 2303402 is 2043032.

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

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 312481 = 1411^2 + 559^2 .

It is not an unprimeable number, because it can be changed into a prime (2303407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575849 + ... + 575852.

2^2303402 is an apocalyptic number.

2303402 is a deficient number, since it is larger than the sum of its proper divisors (1151704).

2303402 is a wasteful number, since it uses less digits than its factorization.

2303402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151703.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 2303402 is about 1517.6962805515. The cubic root of 2303402 is about 132.0656621586.

Adding to 2303402 its reverse (2043032), we get a palindrome (4346434).

The spelling of 2303402 in words is "two million, three hundred three thousand, four hundred two".