246646461 has 4 divisors (see below), whose sum is σ = 328861952. Its totient is φ = 164430972.

The previous prime is 246646417. The next prime is 246646469. The reversal of 246646461 is 164646642.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 246646461 - 2¹⁰ = 246645437 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 (246646469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41107741 + ... + 41107746.

It is an arithmetic number, because the mean of its divisors is an integer number (82215488).

Almost surely, 2^246646461 is an apocalyptic number.

It is an amenable number.

246646461 is a deficient number, since it is larger than the sum of its proper divisors (82215491).

246646461 is an equidigital number, since it uses as much as digits as its factorization.

246646461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82215490.

The product of its digits is 165888, while the sum is 39.

The square root of 246646461 is about 15704.9820439248. The cubic root of 246646461 is about 627.1310390047.

It can be divided in two parts, 24664 and 6461, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 246646461 in words is "two hundred forty-six million, six hundred forty-six thousand, four hundred sixty-one".