1940474 has 4 divisors (see below), whose sum is σ = 2910714. Its totient is φ = 970236.

The previous prime is 1940473. The next prime is 1940479. The reversal of 1940474 is 4740491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4740491 = 7 ⋅677213.

It can be written as a sum of positive squares in only one way, i.e., 1940449 + 25 = 1393^2 + 5^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1940473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485117 + ... + 485120.

2^1940474 is an apocalyptic number.

1940474 is a deficient number, since it is larger than the sum of its proper divisors (970240).

1940474 is an equidigital number, since it uses as much as digits as its factorization.

1940474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970239.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1940474 is about 1393.0089734097. The cubic root of 1940474 is about 124.7295271777.

The spelling of 1940474 in words is "one million, nine hundred forty thousand, four hundred seventy-four".