1940166 has 64 divisors (see below), whose sum is σ = 4761600. Its totient is φ = 583200.

The previous prime is 1940153. The next prime is 1940173. The reversal of 1940166 is 6610491.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31776 + ... + 31836.

It is an arithmetic number, because the mean of its divisors is an integer number (74400).

2^1940166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1940166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2380800).

1940166 is an abundant number, since it is smaller than the sum of its proper divisors (2821434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1940166 is a wasteful number, since it uses less digits than its factorization.

1940166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1940166 is about 1392.8984169709. The cubic root of 1940166 is about 124.7229276343.

The spelling of 1940166 in words is "one million, nine hundred forty thousand, one hundred sixty-six".