1961224 has 16 divisors (see below), whose sum is σ = 3733200. Its totient is φ = 965712.

The previous prime is 1961221. The next prime is 1961231. The reversal of 1961224 is 4221691.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1961221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (233325).

2^1961224 is an apocalyptic number.

It is an amenable number.

1961224 is a deficient number, since it is larger than the sum of its proper divisors (1771976).

1961224 is a wasteful number, since it uses less digits than its factorization.

1961224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 3728 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 1961224 is about 1400.4370746306. The cubic root of 1961224 is about 125.1725403956.

The spelling of 1961224 in words is "one million, nine hundred sixty-one thousand, two hundred twenty-four".