461630447 has 8 divisors (see below), whose sum is σ = 486380544. Its totient is φ = 437270328.

The previous prime is 461630423. The next prime is 461630467. The reversal of 461630447 is 744036164.

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 461630447 - 2¹⁰ = 461629423 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 (461630467) 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, 95063 + ... + 99800.

It is an arithmetic number, because the mean of its divisors is an integer number (60797568).

Almost surely, 2^461630447 is an apocalyptic number.

461630447 is a deficient number, since it is larger than the sum of its proper divisors (24750097).

461630447 is a wasteful number, since it uses less digits than its factorization.

461630447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194989.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 461630447 is about 21485.5869596341. The cubic root of 461630447 is about 772.8552267747.

The spelling of 461630447 in words is "four hundred sixty-one million, six hundred thirty thousand, four hundred forty-seven".