3140429 has 4 divisors (see below), whose sum is σ = 3144000. Its totient is φ = 3136860.

The previous prime is 3140413. The next prime is 3140437. The reversal of 3140429 is 9240413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3140429 - 2⁴ = 3140413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130429) 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, 572 + ... + 2570.

It is an arithmetic number, because the mean of its divisors is an integer number (786000).

Almost surely, 2^3140429 is an apocalyptic number.

It is an amenable number.

3140429 is a deficient number, since it is larger than the sum of its proper divisors (3571).

3140429 is a wasteful number, since it uses less digits than its factorization.

3140429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3140429 is about 1772.1255598856. The cubic root of 3140429 is about 146.4411035760.

The spelling of 3140429 in words is "three million, one hundred forty thousand, four hundred twenty-nine".