3447358644 has 48 divisors (see below), whose sum is σ = 8327430720. Its totient is φ = 1108665600.

The previous prime is 3447358619. The next prime is 3447358669. The reversal of 3447358644 is 4468537443.

3447358644 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3447358619) and next prime (3447358669).

It is a junction number, because it is equal to n+sod(n) for n = 3447358593 and 3447358602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607219 + ... + 612869.

It is an arithmetic number, because the mean of its divisors is an integer number (173488140).

Almost surely, 2^3447358644 is an apocalyptic number.

It is an amenable number.

3447358644 is an abundant number, since it is smaller than the sum of its proper divisors (4880072076).

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

3447358644 is a wasteful number, since it uses less digits than its factorization.

3447358644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440 (or 7438 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 48.

The square root of 3447358644 is about 58714.2116016216. The cubic root of 3447358644 is about 1510.6440893612.

The spelling of 3447358644 in words is "three billion, four hundred forty-seven million, three hundred fifty-eight thousand, six hundred forty-four".