1078478 has 16 divisors (see below), whose sum is σ = 1725840. Its totient is φ = 504000.

The previous prime is 1078471. The next prime is 1078489. The reversal of 1078478 is 8748701.

It is a super-2 number, since 2×1078478² = 2326229592968, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3698 + ... + 3978.

It is an arithmetic number, because the mean of its divisors is an integer number (107865).

2^1078478 is an apocalyptic number.

1078478 is a deficient number, since it is larger than the sum of its proper divisors (647362).

1078478 is a wasteful number, since it uses less digits than its factorization.

1078478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 1078478 is about 1038.4979537775. The cubic root of 1078478 is about 102.5503381539.

The spelling of 1078478 in words is "one million, seventy-eight thousand, four hundred seventy-eight".