481967391 has 8 divisors (see below), whose sum is σ = 680424624. Its totient is φ = 302410880.

The previous prime is 481967359. The next prime is 481967417. The reversal of 481967391 is 193769184.

It is a happy number.

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 481967391 - 2⁵ = 481967359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481967391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481967351) 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, 4725120 + ... + 4725221.

It is an arithmetic number, because the mean of its divisors is an integer number (85053078).

Almost surely, 2^481967391 is an apocalyptic number.

481967391 is a deficient number, since it is larger than the sum of its proper divisors (198457233).

481967391 is a wasteful number, since it uses less digits than its factorization.

481967391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450361.

The product of its digits is 326592, while the sum is 48.

The square root of 481967391 is about 21953.7557379142. The cubic root of 481967391 is about 784.0418027264.

The spelling of 481967391 in words is "four hundred eighty-one million, nine hundred sixty-seven thousand, three hundred ninety-one".