63406 has 12 divisors (see below), whose sum is σ = 110808. Its totient is φ = 27132.

The previous prime is 63397. The next prime is 63409. The reversal of 63406 is 60436.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226 + ... + 421.

It is an arithmetic number, because the mean of its divisors is an integer number (9234).

2⁶³⁴⁰⁶ is an apocalyptic number.

63406 is a deficient number, since it is larger than the sum of its proper divisors (47402).

63406 is a wasteful number, since it uses less digits than its factorization.

63406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 63406 is about 251.8054804805. The cubic root of 63406 is about 39.8758651621.

The spelling of 63406 in words is "sixty-three thousand, four hundred six".