3146249646 has 24 divisors (see below), whose sum is σ = 6818000904. Its totient is φ = 1048576560.

The previous prime is 3146249629. The next prime is 3146249657. The reversal of 3146249646 is 6469426413.

3146249646 is a `hidden beast` number, since 3 + 14 + 624 + 9 + 6 + 4 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145156 + ... + 165416.

It is an arithmetic number, because the mean of its divisors is an integer number (284083371).

Almost surely, 2^3146249646 is an apocalyptic number.

3146249646 is an abundant number, since it is smaller than the sum of its proper divisors (3671751258).

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

3146249646 is a wasteful number, since it uses less digits than its factorization.

3146249646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28896 (or 28893 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 3146249646 is about 56091.4400421312. The cubic root of 3146249646 is about 1465.3152176918.

The spelling of 3146249646 in words is "three billion, one hundred forty-six million, two hundred forty-nine thousand, six hundred forty-six".