1940508 has 36 divisors (see below), whose sum is σ = 5165160. Its totient is φ = 612576.

The previous prime is 1940483. The next prime is 1940509. The reversal of 1940508 is 8050491.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940509) 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 11 ways as a sum of consecutive naturals, for example, 735 + ... + 2102.

2^1940508 is an apocalyptic number.

1940508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1940508 is an abundant number, since it is smaller than the sum of its proper divisors (3224652).

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

1940508 is a wasteful number, since it uses less digits than its factorization.

1940508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866 (or 2861 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1940508 is about 1393.0211771542. The cubic root of 1940508 is about 124.7302556560.

Adding to 1940508 its reverse (8050491), we get a palindrome (9990999).

The spelling of 1940508 in words is "one million, nine hundred forty thousand, five hundred eight".