3647144346 has 8 divisors (see below), whose sum is σ = 7294288704. Its totient is φ = 1215714780.

The previous prime is 3647144321. The next prime is 3647144359. The reversal of 3647144346 is 6434417463.

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

3647144346 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3647144298 and 3647144307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303928690 + ... + 303928701.

It is an arithmetic number, because the mean of its divisors is an integer number (911786088).

Almost surely, 2^3647144346 is an apocalyptic number.

3647144346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3647144346 is a wasteful number, since it uses less digits than its factorization.

3647144346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607857396.

The product of its digits is 580608, while the sum is 42.

The square root of 3647144346 is about 60391.5916829487. The cubic root of 3647144346 is about 1539.2800854463.

The spelling of 3647144346 in words is "three billion, six hundred forty-seven million, one hundred forty-four thousand, three hundred forty-six".