3129941 has 8 divisors (see below), whose sum is σ = 3326520. Its totient is φ = 2939328.

The previous prime is 3129937. The next prime is 3129943. The reversal of 3129941 is 1499213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2235025 + 894916 = 1495^2 + 946^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3129941 - 2² = 3129937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129943) 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, 386 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (415815).

Almost surely, 2^3129941 is an apocalyptic number.

It is an amenable number.

3129941 is a deficient number, since it is larger than the sum of its proper divisors (196579).

3129941 is a wasteful number, since it uses less digits than its factorization.

3129941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983.

The product of its digits is 1944, while the sum is 29.

The square root of 3129941 is about 1769.1639268310. The cubic root of 3129941 is about 146.2779000513.

The spelling of 3129941 in words is "three million, one hundred twenty-nine thousand, nine hundred forty-one".