3140402 has 8 divisors (see below), whose sum is σ = 4788012. Its totient is φ = 1544400.

The previous prime is 3140369. The next prime is 3140407. The reversal of 3140402 is 2040413.

It can be written as a sum of positive squares in 2 ways, for example, as 3024121 + 116281 = 1739^2 + 341^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3140407) 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, 12749 + ... + 12992.

Almost surely, 2^3140402 is an apocalyptic number.

3140402 is a deficient number, since it is larger than the sum of its proper divisors (1647610).

3140402 is a wasteful number, since it uses less digits than its factorization.

3140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25804.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3140402 is about 1772.1179418989. The cubic root of 3140402 is about 146.4406838965.

Adding to 3140402 its reverse (2040413), we get a palindrome (5180815).

The spelling of 3140402 in words is "three million, one hundred forty thousand, four hundred two".