46821660 has 96 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 11854080.

The previous prime is 46821659. The next prime is 46821661. The reversal of 46821660 is 6612864.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (46821659) and next prime (46821661).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46821661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123351 + ... + 123729.

It is an arithmetic number, because the mean of its divisors is an integer number (1436400).

Almost surely, 2^46821660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46821660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68947200).

46821660 is an abundant number, since it is smaller than the sum of its proper divisors (91072740).

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

46821660 is a wasteful number, since it uses less digits than its factorization.

46821660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 46821660 is about 6842.6354571905. The cubic root of 46821660 is about 360.4255769494.

The spelling of 46821660 in words is "forty-six million, eight hundred twenty-one thousand, six hundred sixty".