481864999 has 16 divisors (see below), whose sum is σ = 601399296. Its totient is φ = 375084000.

The previous prime is 481864997. The next prime is 481865011. The reversal of 481864999 is 999468184.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 481864999 - 2¹ = 481864997 is a prime.

It is a super-2 number, since 2×481864999² = 464387754522540002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481864991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85909 + ... + 91345.

It is an arithmetic number, because the mean of its divisors is an integer number (37587456).

Almost surely, 2^481864999 is an apocalyptic number.

481864999 is a deficient number, since it is larger than the sum of its proper divisors (119534297).

481864999 is a wasteful number, since it uses less digits than its factorization.

481864999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606.

The product of its digits is 4478976, while the sum is 58.

The square root of 481864999 is about 21951.4236212597. The cubic root of 481864999 is about 783.9862766366.

The spelling of 481864999 in words is "four hundred eighty-one million, eight hundred sixty-four thousand, nine hundred ninety-nine".