3661731246 has 32 divisors (see below), whose sum is σ = 7431579648. Its totient is φ = 1202592960.

The previous prime is 3661731223. The next prime is 3661731247. The reversal of 3661731246 is 6421371663.

3661731246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661731247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472261 + ... + 479951.

It is an arithmetic number, because the mean of its divisors is an integer number (232236864).

Almost surely, 2^3661731246 is an apocalyptic number.

3661731246 is an abundant number, since it is smaller than the sum of its proper divisors (3769848402).

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

3661731246 is a wasteful number, since it uses less digits than its factorization.

3661731246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856.

The product of its digits is 108864, while the sum is 39.

The square root of 3661731246 is about 60512.2404642234. The cubic root of 3661731246 is about 1541.3294931073.

The spelling of 3661731246 in words is "three billion, six hundred sixty-one million, seven hundred thirty-one thousand, two hundred forty-six".