1449436646 has 32 divisors (see below), whose sum is σ = 2574685440. Its totient is φ = 598774176.

The previous prime is 1449436537. The next prime is 1449436673. The reversal of 1449436646 is 6466349441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1449436646.

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, 274685 + ... + 279911.

It is an arithmetic number, because the mean of its divisors is an integer number (80458920).

Almost surely, 2^1449436646 is an apocalyptic number.

1449436646 is a deficient number, since it is larger than the sum of its proper divisors (1125248794).

1449436646 is a wasteful number, since it uses less digits than its factorization.

1449436646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948.

The product of its digits is 1492992, while the sum is 47.

The square root of 1449436646 is about 38071.4676102721. The cubic root of 1449436646 is about 1131.7045946999.

The spelling of 1449436646 in words is "one billion, four hundred forty-nine million, four hundred thirty-six thousand, six hundred forty-six".