1940737 has 4 divisors (see below), whose sum is σ = 2054916. Its totient is φ = 1826560.

The previous prime is 1940713. The next prime is 1940747. The reversal of 1940737 is 7370491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 261121 = 1296^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940737 - 2¹⁹ = 1416449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1940699 and 1940708.

It is not an unprimeable number, because it can be changed into a prime (1940747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57064 + ... + 57097.

It is an arithmetic number, because the mean of its divisors is an integer number (513729).

2^1940737 is an apocalyptic number.

1940737 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1940737 is a deficient number, since it is larger than the sum of its proper divisors (114179).

1940737 is a wasteful number, since it uses less digits than its factorization.

1940737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114178.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1940737 is about 1393.1033701775. The cubic root of 1940737 is about 124.7351619494.

The spelling of 1940737 in words is "one million, nine hundred forty thousand, seven hundred thirty-seven".