3101406 has 64 divisors (see below), whose sum is σ = 7948800. Its totient is φ = 799680.

The previous prime is 3101393. The next prime is 3101419. The reversal of 3101406 is 6041013.

It is an interprime number because it is at equal distance from previous prime (3101393) and next prime (3101419).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22570 + ... + 22706.

It is an arithmetic number, because the mean of its divisors is an integer number (124200).

Almost surely, 2^3101406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3101406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3974400).

3101406 is an abundant number, since it is smaller than the sum of its proper divisors (4847394).

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

3101406 is a wasteful number, since it uses less digits than its factorization.

3101406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3101406 is about 1761.0809180728. The cubic root of 3101406 is about 145.8320142103.

Adding to 3101406 its reverse (6041013), we get a palindrome (9142419).

The spelling of 3101406 in words is "three million, one hundred one thousand, four hundred six".