1363945 has 8 divisors (see below), whose sum is σ = 1785600. Its totient is φ = 991920.

The previous prime is 1363937. The next prime is 1363949. The reversal of 1363945 is 5493631.

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

It is not a de Polignac number, because 1363945 - 2³ = 1363937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1363949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12345 + ... + 12454.

It is an arithmetic number, because the mean of its divisors is an integer number (223200).

2^1363945 is an apocalyptic number.

It is an amenable number.

1363945 is a deficient number, since it is larger than the sum of its proper divisors (421655).

1363945 is a wasteful number, since it uses less digits than its factorization.

1363945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24815.

The product of its digits is 9720, while the sum is 31.

The square root of 1363945 is about 1167.8805589614. The cubic root of 1363945 is about 110.9001889339.

The spelling of 1363945 in words is "one million, three hundred sixty-three thousand, nine hundred forty-five".