3129426 has 24 divisors (see below), whose sum is σ = 7076160. Its totient is φ = 997656.

The previous prime is 3129421. The next prime is 3129431. The reversal of 3129426 is 6249213.

It is an interprime number because it is at equal distance from previous prime (3129421) and next prime (3129431).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3129426.

It is not an unprimeable number, because it can be changed into a prime (3129421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3366 + ... + 4193.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^3129426 is an apocalyptic number.

3129426 is an abundant number, since it is smaller than the sum of its proper divisors (3946734).

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

3129426 is a wasteful number, since it uses less digits than its factorization.

3129426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590 (or 7587 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 3129426 is about 1769.0183718662. The cubic root of 3129426 is about 146.2698767637.

The spelling of 3129426 in words is "three million, one hundred twenty-nine thousand, four hundred twenty-six".