461229999 has 4 divisors (see below), whose sum is σ = 614973336. Its totient is φ = 307486664.

The previous prime is 461229991. The next prime is 461230001. The reversal of 461229999 is 999922164.

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

It is a cyclic number.

It is not a de Polignac number, because 461229999 - 2³ = 461229991 is a prime.

It is a super-2 number, since 2×461229999² = 425466223955080002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461229991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76871664 + ... + 76871669.

It is an arithmetic number, because the mean of its divisors is an integer number (153743334).

Almost surely, 2^461229999 is an apocalyptic number.

461229999 is a deficient number, since it is larger than the sum of its proper divisors (153743337).

461229999 is a wasteful number, since it uses less digits than its factorization.

461229999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153743336.

The product of its digits is 629856, while the sum is 51.

The square root of 461229999 is about 21476.2659463884. The cubic root of 461229999 is about 772.6316873144.

The spelling of 461229999 in words is "four hundred sixty-one million, two hundred twenty-nine thousand, nine hundred ninety-nine".