63490 has 16 divisors (see below), whose sum is σ = 130752. Its totient is φ = 21744.

The previous prime is 63487. The next prime is 63493. The reversal of 63490 is 9436.

It is an interprime number because it is at equal distance from previous prime (63487) and next prime (63493).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (63493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384 + ... + 523.

It is an arithmetic number, because the mean of its divisors is an integer number (8172).

2⁶³⁴⁹⁰ is an apocalyptic number.

63490 is an abundant number, since it is smaller than the sum of its proper divisors (67262).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65376).

63490 is a wasteful number, since it uses less digits than its factorization.

63490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 63490 is about 251.9722206911. The cubic root of 63490 is about 39.8934665173.

The spelling of 63490 in words is "sixty-three thousand, four hundred ninety".