891652 has 6 divisors (see below), whose sum is σ = 1560398. Its totient is φ = 445824.

The previous prime is 891647. The next prime is 891659. The reversal of 891652 is 256198.

It can be written as a sum of positive squares in only one way, i.e., 799236 + 92416 = 894^2 + 304^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111453 + ... + 111460.

2⁸⁹¹⁶⁵² is an apocalyptic number.

It is an amenable number.

891652 is a deficient number, since it is larger than the sum of its proper divisors (668746).

891652 is a wasteful number, since it uses less digits than its factorization.

891652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222917 (or 222915 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 891652 is about 944.2732655328. The cubic root of 891652 is about 96.2494956965.

The spelling of 891652 in words is "eight hundred ninety-one thousand, six hundred fifty-two".