46490 has 8 divisors (see below), whose sum is σ = 83700. Its totient is φ = 18592.

The previous prime is 46489. The next prime is 46499. The reversal of 46490 is 9464.

It can be written as a sum of positive squares in 2 ways, for example, as 43681 + 2809 = 209^2 + 53^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×46490² = 4322640200, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 46490.

It is not an unprimeable number, because it can be changed into a prime (46499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2315 + ... + 2334.

2⁴⁶⁴⁹⁰ is an apocalyptic number.

46490 is a deficient number, since it is larger than the sum of its proper divisors (37210).

46490 is a wasteful number, since it uses less digits than its factorization.

46490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 46490 is about 215.6153983369. The cubic root of 46490 is about 35.9572537902.

The spelling of 46490 in words is "forty-six thousand, four hundred ninety".