438498534 has 48 divisors (see below), whose sum is σ = 915577776. Its totient is φ = 139991040.

The previous prime is 438498481. The next prime is 438498547. The reversal of 438498534 is 435894834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 651222 + ... + 651894.

It is an arithmetic number, because the mean of its divisors is an integer number (19074537).

Almost surely, 2^438498534 is an apocalyptic number.

438498534 is an abundant number, since it is smaller than the sum of its proper divisors (477079242).

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

438498534 is a wasteful number, since it uses less digits than its factorization.

438498534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 822 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The square root of 438498534 is about 20940.3565872217. The cubic root of 438498534 is about 759.7243541003.

The spelling of 438498534 in words is "four hundred thirty-eight million, four hundred ninety-eight thousand, five hundred thirty-four".