3106749 has 8 divisors (see below), whose sum is σ = 4173120. Its totient is φ = 2055776.

The previous prime is 3106729. The next prime is 3106751. The reversal of 3106749 is 9476013.

It is a happy number.

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 3106749 - 2⁹ = 3106237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3106729) 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, 3369 + ... + 4190.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 2^3106749 is an apocalyptic number.

It is an amenable number.

3106749 is a deficient number, since it is larger than the sum of its proper divisors (1066371).

3106749 is a wasteful number, since it uses less digits than its factorization.

3106749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7699.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 3106749 is about 1762.5972313606. The cubic root of 3106749 is about 145.9157110272.

The spelling of 3106749 in words is "three million, one hundred six thousand, seven hundred forty-nine".