1363964 has 18 divisors (see below), whose sum is σ = 2777040. Its totient is φ = 584472.

The previous prime is 1363963. The next prime is 1363979. The reversal of 1363964 is 4693631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1363964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3284 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (154280).

2^1363964 is an apocalyptic number.

1363964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1363964 is an abundant number, since it is smaller than the sum of its proper divisors (1413076).

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

1363964 is a wasteful number, since it uses less digits than its factorization.

1363964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977 (or 6968 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 1363964 is about 1167.8886933266. Note that the first 3 decimals coincide. The cubic root of 1363964 is about 110.9007038848.

The spelling of 1363964 in words is "one million, three hundred sixty-three thousand, nine hundred sixty-four".