3237681946 has 16 divisors (see below), whose sum is σ = 4891042944. Its totient is φ = 1607349744.

The previous prime is 3237681901. The next prime is 3237681949. The reversal of 3237681946 is 6491867323.

3237681946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3237681946.

It is not an unprimeable number, because it can be changed into a prime (3237681949) 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, 556971 + ... + 562753.

It is an arithmetic number, because the mean of its divisors is an integer number (305690184).

Almost surely, 2^3237681946 is an apocalyptic number.

3237681946 is a deficient number, since it is larger than the sum of its proper divisors (1653360998).

3237681946 is a wasteful number, since it uses less digits than its factorization.

3237681946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725.

The product of its digits is 1306368, while the sum is 49.

The square root of 3237681946 is about 56900.6322108990. The cubic root of 3237681946 is about 1479.3742707299.

The spelling of 3237681946 in words is "three billion, two hundred thirty-seven million, six hundred eighty-one thousand, nine hundred forty-six".