916825 has 36 divisors (see below), whose sum is σ = 1452288. Its totient is φ = 561600.

The previous prime is 916787. The next prime is 916831. The reversal of 916825 is 528619.

916825 = T₉₄ + T₉₅ + ... + T₁₈₄.

It is not a de Polignac number, because 916825 - 2¹¹ = 914777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29560 + ... + 29590.

2⁹¹⁶⁸²⁵ is an apocalyptic number.

It is an amenable number.

916825 is a deficient number, since it is larger than the sum of its proper divisors (535463).

916825 is a wasteful number, since it uses less digits than its factorization.

916825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 56 counting only the distinct ones).

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

The square root of 916825 is about 957.5097910727. The cubic root of 916825 is about 97.1468707149.

The spelling of 916825 in words is "nine hundred sixteen thousand, eight hundred twenty-five".