46647666 has 48 divisors (see below), whose sum is σ = 109601856. Its totient is φ = 14253408.

The previous prime is 46647619. The next prime is 46647691. The reversal of 46647666 is 66674664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37531 + ... + 38753.

It is an arithmetic number, because the mean of its divisors is an integer number (2283372).

Almost surely, 2^46647666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46647666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54800928).

46647666 is an abundant number, since it is smaller than the sum of its proper divisors (62954190).

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

46647666 is a wasteful number, since it uses less digits than its factorization.

46647666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1404 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 46647666 is about 6829.9096626529. The cubic root of 46647666 is about 359.9785635384.

The spelling of 46647666 in words is "forty-six million, six hundred forty-seven thousand, six hundred sixty-six".