469639000 has 64 divisors (see below), whose sum is σ = 1117116000. Its totient is φ = 184752000.

The previous prime is 469638977. The next prime is 469639007. The reversal of 469639000 is 936964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469639007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57151 + ... + 64849.

Almost surely, 2^469639000 is an apocalyptic number.

469639000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469639000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558558000).

469639000 is an abundant number, since it is smaller than the sum of its proper divisors (647477000).

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

469639000 is a wasteful number, since it uses less digits than its factorization.

469639000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781 (or 7767 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 469639000 is about 21671.1559451728. The cubic root of 469639000 is about 777.2988971999.

The spelling of 469639000 in words is "four hundred sixty-nine million, six hundred thirty-nine thousand".