469638 has 40 divisors (see below), whose sum is σ = 1138368. Its totient is φ = 143856.

The previous prime is 469631. The next prime is 469649. The reversal of 469638 is 836964.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469631) by changing a digit.

469638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1995 + ... + 2217.

2⁴⁶⁹⁶³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569184).

469638 is an abundant number, since it is smaller than the sum of its proper divisors (668730).

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

469638 is a wasteful number, since it uses less digits than its factorization.

469638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 241 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 469638 is about 685.3013935489. The cubic root of 469638 is about 77.7298345500.

It can be divided in two parts, 46963 and 8, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 469638 in words is "four hundred sixty-nine thousand, six hundred thirty-eight".