1363878 has 20 divisors (see below), whose sum is σ = 3056460. Its totient is φ = 454572.

The previous prime is 1363867. The next prime is 1363883. The reversal of 1363878 is 8783631.

1363878 is a `hidden beast` number, since 13 + 638 + 7 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4048 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (152823).

2^1363878 is an apocalyptic number.

1363878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1363878 is an abundant number, since it is smaller than the sum of its proper divisors (1692582).

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

1363878 is an equidigital number, since it uses as much as digits as its factorization.

1363878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8433 (or 8424 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1363878 is about 1167.8518741690. The cubic root of 1363878 is about 110.8983730166.

The spelling of 1363878 in words is "one million, three hundred sixty-three thousand, eight hundred seventy-eight".