3146649 has 32 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 1747200.

The previous prime is 3146639. The next prime is 3146651. The reversal of 3146649 is 9466413.

It is not a de Polignac number, because 3146649 - 2⁵ = 3146617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39792 + ... + 39870.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

Almost surely, 2^3146649 is an apocalyptic number.

It is an amenable number.

3146649 is a deficient number, since it is larger than the sum of its proper divisors (1829991).

3146649 is a wasteful number, since it uses less digits than its factorization.

3146649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181.

The product of its digits is 15552, while the sum is 33.

The square root of 3146649 is about 1773.8796464248. The cubic root of 3146649 is about 146.5377212638.

The spelling of 3146649 in words is "three million, one hundred forty-six thousand, six hundred forty-nine".