469490438 has 4 divisors (see below), whose sum is σ = 704235660. Its totient is φ = 234745218.

The previous prime is 469490429. The next prime is 469490459. The reversal of 469490438 is 834094964.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 469490392 and 469490401.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 117372608 + ... + 117372611.

It is an arithmetic number, because the mean of its divisors is an integer number (176058915).

Almost surely, 2^469490438 is an apocalyptic number.

469490438 is a deficient number, since it is larger than the sum of its proper divisors (234745222).

469490438 is a wasteful number, since it uses less digits than its factorization.

469490438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234745221.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 469490438 is about 21667.7280304143. The cubic root of 469490438 is about 777.2169269651.

The spelling of 469490438 in words is "four hundred sixty-nine million, four hundred ninety thousand, four hundred thirty-eight".