3140629 has 4 divisors (see below), whose sum is σ = 3193920. Its totient is φ = 3087340.

The previous prime is 3140623. The next prime is 3140633. The reversal of 3140629 is 9260413.

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 an emirpimes, since its reverse is a distinct semiprime: 9260413 = 31 ⋅298723.

It is a cyclic number.

It is not a de Polignac number, because 3140629 - 2¹¹ = 3138581 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 (3140623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26557 + ... + 26674.

It is an arithmetic number, because the mean of its divisors is an integer number (798480).

Almost surely, 2^3140629 is an apocalyptic number.

It is an amenable number.

3140629 is a deficient number, since it is larger than the sum of its proper divisors (53291).

3140629 is an equidigital number, since it uses as much as digits as its factorization.

3140629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53290.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3140629 is about 1772.1819883974. The cubic root of 3140629 is about 146.4442122382. Note that the first 3 decimals are identical.

The spelling of 3140629 in words is "three million, one hundred forty thousand, six hundred twenty-nine".