261674446 has 8 divisors (see below), whose sum is σ = 428194584. Its totient is φ = 118942920.

The previous prime is 261674443. The next prime is 261674449. The reversal of 261674446 is 644476162.

It is an interprime number because it is at equal distance from previous prime (261674443) and next prime (261674449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 261674399 and 261674408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261674443) 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, 5947125 + ... + 5947168.

It is an arithmetic number, because the mean of its divisors is an integer number (53524323).

Almost surely, 2^261674446 is an apocalyptic number.

261674446 is a deficient number, since it is larger than the sum of its proper divisors (166520138).

261674446 is a wasteful number, since it uses less digits than its factorization.

261674446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11894306.

The product of its digits is 193536, while the sum is 40.

The square root of 261674446 is about 16176.3545337013. The cubic root of 261674446 is about 639.6176475949.

The spelling of 261674446 in words is "two hundred sixty-one million, six hundred seventy-four thousand, four hundred forty-six".