3142402 has 4 divisors (see below), whose sum is σ = 4713606. Its totient is φ = 1571200.

The previous prime is 3142393. The next prime is 3142441. The reversal of 3142402 is 2042413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042413 = 157 ⋅13009.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 249001 = 1701^2 + 499^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785599 + ... + 785602.

Almost surely, 2^3142402 is an apocalyptic number.

3142402 is a deficient number, since it is larger than the sum of its proper divisors (1571204).

3142402 is a wasteful number, since it uses less digits than its factorization.

3142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571203.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3142402 is about 1772.6821486098. The cubic root of 3142402 is about 146.4717647597.

Adding to 3142402 its reverse (2042413), we get a palindrome (5184815).

The spelling of 3142402 in words is "three million, one hundred forty-two thousand, four hundred two".