3646072446 has 16 divisors (see below), whose sum is σ = 7299095808. Its totient is φ = 1214199000.

The previous prime is 3646072439. The next prime is 3646072453. The reversal of 3646072446 is 6442706463.

3646072446 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (3646072439) and next prime (3646072453).

It is a junction number, because it is equal to n+sod(n) for n = 3646072398 and 3646072407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282790 + ... + 295401.

It is an arithmetic number, because the mean of its divisors is an integer number (456193488).

Almost surely, 2^3646072446 is an apocalyptic number.

3646072446 is an abundant number, since it is smaller than the sum of its proper divisors (3653023362).

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

3646072446 is a wasteful number, since it uses less digits than its factorization.

3646072446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579247.

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

The square root of 3646072446 is about 60382.7164509845. The cubic root of 3646072446 is about 1539.1292719299.

The spelling of 3646072446 in words is "three billion, six hundred forty-six million, seventy-two thousand, four hundred forty-six".