46890 has 24 divisors (see below), whose sum is σ = 122148. Its totient is φ = 12480.

The previous prime is 46889. The next prime is 46901. The reversal of 46890 is 9864.

It can be written as a sum of positive squares in 2 ways, for example, as 45369 + 1521 = 213^2 + 39^2 .

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171 + ... + 350.

2⁴⁶⁸⁹⁰ is an apocalyptic number.

46890 is an abundant number, since it is smaller than the sum of its proper divisors (75258).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61074).

46890 is a wasteful number, since it uses less digits than its factorization.

46890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 46890 is about 216.5409891914. The cubic root of 46890 is about 36.0600848464.

The spelling of 46890 in words is "forty-six thousand, eight hundred ninety".