1078378 has 32 divisors (see below), whose sum is σ = 2052864. Its totient is φ = 413952.

The previous prime is 1078373. The next prime is 1078387. The reversal of 1078378 is 8738701.

It is a happy number.

It is a super-2 number, since 2×1078378² = 2325798221768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1078373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5376 + ... + 5572.

It is an arithmetic number, because the mean of its divisors is an integer number (64152).

2^1078378 is an apocalyptic number.

1078378 is a deficient number, since it is larger than the sum of its proper divisors (974486).

1078378 is a wasteful number, since it uses less digits than its factorization.

1078378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1078378 is about 1038.4498062015. The cubic root of 1078378 is about 102.5471684553.

The spelling of 1078378 in words is "one million, seventy-eight thousand, three hundred seventy-eight".