1040378 has 8 divisors (see below), whose sum is σ = 1572372. Its totient is φ = 516256.

The previous prime is 1040371. The next prime is 1040381. The reversal of 1040378 is 8730401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 954529 + 85849 = 977^2 + 293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1040371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625 + ... + 2172.

2^1040378 is an apocalyptic number.

1040378 is a deficient number, since it is larger than the sum of its proper divisors (531994).

1040378 is a wasteful number, since it uses less digits than its factorization.

1040378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1040378 is about 1019.9892156293. The cubic root of 1040378 is about 101.3282137110.

Adding to 1040378 its sum of digits (23), we get a palindrome (1040401).

Adding to 1040378 its reverse (8730401), we get a palindrome (9770779).

The spelling of 1040378 in words is "one million, forty thousand, three hundred seventy-eight".