1984167 has 12 divisors (see below), whose sum is σ = 2892864. Its totient is φ = 1310400.

The previous prime is 1984163. The next prime is 1984181. The reversal of 1984167 is 7614891.

It is not a de Polignac number, because 1984167 - 2² = 1984163 is a prime.

1984167 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42 + ... + 1992.

It is an arithmetic number, because the mean of its divisors is an integer number (241072).

2^1984167 is an apocalyptic number.

1984167 is a deficient number, since it is larger than the sum of its proper divisors (908697).

1984167 is a wasteful number, since it uses less digits than its factorization.

1984167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2067 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1984167 is about 1408.6046287018. The cubic root of 1984167 is about 125.6587516054.

The spelling of 1984167 in words is "one million, nine hundred eighty-four thousand, one hundred sixty-seven".