461444399 has 4 divisors (see below), whose sum is σ = 496940136. Its totient is φ = 425948664.

The previous prime is 461444383. The next prime is 461444411. The reversal of 461444399 is 993444164.

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 461444399 - 2⁴ = 461444383 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 (461444339) 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, 17747849 + ... + 17747874.

It is an arithmetic number, because the mean of its divisors is an integer number (124235034).

Almost surely, 2^461444399 is an apocalyptic number.

461444399 is a deficient number, since it is larger than the sum of its proper divisors (35495737).

461444399 is a wasteful number, since it uses less digits than its factorization.

461444399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35495736.

The product of its digits is 373248, while the sum is 44.

The square root of 461444399 is about 21481.2569231877. The cubic root of 461444399 is about 772.7513865051.

The spelling of 461444399 in words is "four hundred sixty-one million, four hundred forty-four thousand, three hundred ninety-nine".