1078380 has 48 divisors (see below), whose sum is σ = 3356640. Its totient is φ = 287424.

The previous prime is 1078373. The next prime is 1078387. The reversal of 1078380 is 838701.

It is an interprime number because it is at equal distance from previous prime (1078373) and next prime (1078387).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1078387) 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, 459 + ... + 1538.

It is an arithmetic number, because the mean of its divisors is an integer number (69930).

2^1078380 is an apocalyptic number.

1078380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078380 is an abundant number, since it is smaller than the sum of its proper divisors (2278260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1078380 is a wasteful number, since it uses less digits than its factorization.

1078380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1078380 is about 1038.4507691749. The cubic root of 1078380 is about 102.5472318512.

The spelling of 1078380 in words is "one million, seventy-eight thousand, three hundred eighty".