1049978 has 8 divisors (see below), whose sum is σ = 1657920. Its totient is φ = 497340.

The previous prime is 1049977. The next prime is 1049999. The reversal of 1049978 is 8799401.

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

It is a super-2 number, since 2×1049978² = 2204907600968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 27631 = 1049978 / (1 + 0 + 4 + 9 + 9 + 7 + 8).

It is not an unprimeable number, because it can be changed into a prime (1049977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13778 + ... + 13853.

It is an arithmetic number, because the mean of its divisors is an integer number (207240).

2^1049978 is an apocalyptic number.

1049978 is a deficient number, since it is larger than the sum of its proper divisors (607942).

1049978 is a wasteful number, since it uses less digits than its factorization.

1049978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27652.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1049978 is about 1024.6843416389. The cubic root of 1049978 is about 101.6389258124.

The spelling of 1049978 in words is "one million, forty-nine thousand, nine hundred seventy-eight".