469399636 has 54 divisors (see below), whose sum is σ = 893407662. Its totient is φ = 215706240.

The previous prime is 469399603. The next prime is 469399643. The reversal of 469399636 is 636993964.

It can be written as a sum of positive squares in 3 ways, for example, as 11696400 + 457703236 = 3420^2 + 21394^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6430096 + ... + 6430168.

Almost surely, 2^469399636 is an apocalyptic number.

It is an amenable number.

469399636 is a deficient number, since it is larger than the sum of its proper divisors (424008026).

469399636 is a wasteful number, since it uses less digits than its factorization.

469399636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 155 counting only the distinct ones).

The product of its digits is 5668704, while the sum is 55.

The square root of 469399636 is about 21665.6326009651. The cubic root of 469399636 is about 777.1668177432.

It can be divided in two parts, 4693 and 99636, that added together give a square (104329 = 323²).

The spelling of 469399636 in words is "four hundred sixty-nine million, three hundred ninety-nine thousand, six hundred thirty-six".