481209239 has 8 divisors (see below), whose sum is σ = 553457568. Its totient is φ = 409836960.

The previous prime is 481209229. The next prime is 481209241. The reversal of 481209239 is 932902184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481209239 - 2²⁰ = 480160663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481209229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217832 + ... + 220029.

It is an arithmetic number, because the mean of its divisors is an integer number (69182196).

Almost surely, 2^481209239 is an apocalyptic number.

481209239 is a deficient number, since it is larger than the sum of its proper divisors (72248329).

481209239 is a wasteful number, since it uses less digits than its factorization.

481209239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438025.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 481209239 is about 21936.4819193963. The cubic root of 481209239 is about 783.6304783454.

The spelling of 481209239 in words is "four hundred eighty-one million, two hundred nine thousand, two hundred thirty-nine".