1940071 has 16 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 1518048.

The previous prime is 1940069. The next prime is 1940083. The reversal of 1940071 is 1700491.

It is not a de Polignac number, because 1940071 - 2¹ = 1940069 is a prime.

1940071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3606 + ... + 4108.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

2^1940071 is an apocalyptic number.

1940071 is a deficient number, since it is larger than the sum of its proper divisors (479129).

1940071 is a wasteful number, since it uses less digits than its factorization.

1940071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1940071 is about 1392.8643149998. The cubic root of 1940071 is about 124.7208919200.

The spelling of 1940071 in words is "one million, nine hundred forty thousand, seventy-one".