1916325 has 48 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 956160.

The previous prime is 1916311. The next prime is 1916333. The reversal of 1916325 is 5236191.

It is not a de Polignac number, because 1916325 - 2⁴ = 1916309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1916325 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 11392 + ... + 11558.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2^1916325 is an apocalyptic number.

1916325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1916325 is a deficient number, since it is larger than the sum of its proper divisors (1833435).

1916325 is a wasteful number, since it uses less digits than its factorization.

1916325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 192 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 1916325 is about 1384.3139094873. The cubic root of 1916325 is about 124.2099504269.

The spelling of 1916325 in words is "one million, nine hundred sixteen thousand, three hundred twenty-five".