961774228 has 48 divisors (see below), whose sum is σ = 1760330880. Its totient is φ = 459430400.

The previous prime is 961774223. The next prime is 961774267. The reversal of 961774228 is 822477169.

Its product of digits (338688) is a multiple of the sum of its prime factors (768).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961774223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911825 + ... + 1912327.

It is an arithmetic number, because the mean of its divisors is an integer number (36673560).

Almost surely, 2^961774228 is an apocalyptic number.

It is an amenable number.

961774228 is a deficient number, since it is larger than the sum of its proper divisors (798556652).

961774228 is a wasteful number, since it uses less digits than its factorization.

961774228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 961774228 is about 31012.4850342568. The cubic root of 961774228 is about 987.0921810755.

It can be divided in two parts, 9617 and 74228, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 961774228 in words is "nine hundred sixty-one million, seven hundred seventy-four thousand, two hundred twenty-eight".