1378476 has 54 divisors (see below), whose sum is σ = 3866772. Its totient is φ = 410640.

The previous prime is 1378441. The next prime is 1378499. The reversal of 1378476 is 6748731.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1378476.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23335 + ... + 23393.

2^1378476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1933386).

1378476 is an abundant number, since it is smaller than the sum of its proper divisors (2488296).

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

1378476 is a wasteful number, since it uses less digits than its factorization.

1378476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 75 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1378476 is about 1174.0851757858. The cubic root of 1378476 is about 111.2926293727.

The spelling of 1378476 in words is "one million, three hundred seventy-eight thousand, four hundred seventy-six".