1940354 has 16 divisors (see below), whose sum is σ = 3220728. Its totient is φ = 870912.

The previous prime is 1940339. The next prime is 1940371. The reversal of 1940354 is 4530491.

It can be written as a sum of positive squares in 4 ways, for example, as 1885129 + 55225 = 1373^2 + 235^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47 + ... + 1970.

2^1940354 is an apocalyptic number.

1940354 is a deficient number, since it is larger than the sum of its proper divisors (1280374).

1940354 is a wasteful number, since it uses less digits than its factorization.

1940354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1940354 is about 1392.9659005159. The cubic root of 1940354 is about 124.7269560101.

The spelling of 1940354 in words is "one million, nine hundred forty thousand, three hundred fifty-four".