1940080 has 20 divisors (see below), whose sum is σ = 4510872. Its totient is φ = 776000.

The previous prime is 1940069. The next prime is 1940083. The reversal of 1940080 is 800491.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12046 + ... + 12205.

2^1940080 is an apocalyptic number.

1940080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940080 is an abundant number, since it is smaller than the sum of its proper divisors (2570792).

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

1940080 is a wasteful number, since it uses less digits than its factorization.

1940080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24264 (or 24258 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1940080 is about 1392.8675457487. The cubic root of 1940080 is about 124.7210847800.

The spelling of 1940080 in words is "one million, nine hundred forty thousand, eighty".