465990 has 48 divisors (see below), whose sum is σ = 1305072. Its totient is φ = 106176.

The previous prime is 465989. The next prime is 466009. The reversal of 465990 is 99564.

It is a happy number.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 15.

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, 1312 + ... + 1628.

It is an arithmetic number, because the mean of its divisors is an integer number (27189).

2⁴⁶⁵⁹⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 465990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652536).

465990 is an abundant number, since it is smaller than the sum of its proper divisors (839082).

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

465990 is a wasteful number, since it uses less digits than its factorization.

465990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 465990 is about 682.6346021116. The cubic root of 465990 is about 77.5280508934.

The spelling of 465990 in words is "four hundred sixty-five thousand, nine hundred ninety".