3129396 has 24 divisors (see below), whose sum is σ = 7406784. Its totient is φ = 1028160.

The previous prime is 3129391. The next prime is 3129421. The reversal of 3129396 is 6939213.

It is a super-4 number, since 4×3129396⁴ (a number of 27 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129391) 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, 985 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (308616).

Almost surely, 2^3129396 is an apocalyptic number.

It is an amenable number.

3129396 is an abundant number, since it is smaller than the sum of its proper divisors (4277388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3129396 is a wasteful number, since it uses less digits than its factorization.

3129396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751 (or 3749 counting only the distinct ones).

The product of its digits is 8748, while the sum is 33.

The square root of 3129396 is about 1769.0098925670. The cubic root of 3129396 is about 146.2694093606.

The spelling of 3129396 in words is "three million, one hundred twenty-nine thousand, three hundred ninety-six".