3140403 has 8 divisors (see below), whose sum is σ = 4785408. Its totient is φ = 1794504.

The previous prime is 3140369. The next prime is 3140407. The reversal of 3140403 is 3040413.

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

It is not a de Polignac number, because 3140403 - 2⁸ = 3140147 is a prime.

3140403 is a lucky number.

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 7 ways as a sum of consecutive naturals, for example, 74751 + ... + 74792.

It is an arithmetic number, because the mean of its divisors is an integer number (598176).

Almost surely, 2^3140403 is an apocalyptic number.

3140403 is a deficient number, since it is larger than the sum of its proper divisors (1645005).

3140403 is a wasteful number, since it uses less digits than its factorization.

3140403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149553.

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

The square root of 3140403 is about 1772.1182240471. The cubic root of 3140403 is about 146.4406994402.

Adding to 3140403 its reverse (3040413), we get a palindrome (6180816).

The spelling of 3140403 in words is "three million, one hundred forty thousand, four hundred three".