469632261 has 12 divisors (see below), whose sum is σ = 715781472. Its totient is φ = 268304544.

The previous prime is 469632257. The next prime is 469632307. The reversal of 469632261 is 162236964.

It is not a de Polignac number, because 469632261 - 2² = 469632257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469632161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96945 + ... + 101673.

It is an arithmetic number, because the mean of its divisors is an integer number (59648456).

Almost surely, 2^469632261 is an apocalyptic number.

It is an amenable number.

469632261 is a deficient number, since it is larger than the sum of its proper divisors (246149211).

469632261 is an frugal number, since it uses more digits than its factorization.

469632261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468 (or 4739 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 469632261 is about 21671.0004614462. Note that the first 3 decimals coincide. The cubic root of 469632261 is about 777.2951792788.

The spelling of 469632261 in words is "four hundred sixty-nine million, six hundred thirty-two thousand, two hundred sixty-one".