3644356846 has 8 divisors (see below), whose sum is σ = 5887038024. Its totient is φ = 1682010840.

The previous prime is 3644356843. The next prime is 3644356853. The reversal of 3644356846 is 6486534463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3644356846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644356843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70083760 + ... + 70083811.

It is an arithmetic number, because the mean of its divisors is an integer number (735879753).

Almost surely, 2^3644356846 is an apocalyptic number.

3644356846 is a deficient number, since it is larger than the sum of its proper divisors (2242681178).

3644356846 is a wasteful number, since it uses less digits than its factorization.

3644356846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140167586.

The product of its digits is 4976640, while the sum is 49.

The square root of 3644356846 is about 60368.5087276471. The cubic root of 3644356846 is about 1538.8878299875.

The spelling of 3644356846 in words is "three billion, six hundred forty-four million, three hundred fifty-six thousand, eight hundred forty-six".