461861266 has 4 divisors (see below), whose sum is σ = 692791902. Its totient is φ = 230930632.

The previous prime is 461861261. The next prime is 461861273. The reversal of 461861266 is 662168164.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 331422025 + 130439241 = 18205^2 + 11421^2 .

It is a super-2 number, since 2×461861266² = 426631658062245512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461861261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115465315 + ... + 115465318.

Almost surely, 2^461861266 is an apocalyptic number.

461861266 is a deficient number, since it is larger than the sum of its proper divisors (230930636).

461861266 is a wasteful number, since it uses less digits than its factorization.

461861266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230930635.

The product of its digits is 82944, while the sum is 40.

The square root of 461861266 is about 21490.9577729798. The cubic root of 461861266 is about 772.9840166238.

The spelling of 461861266 in words is "four hundred sixty-one million, eight hundred sixty-one thousand, two hundred sixty-six".