1913364 has 18 divisors (see below), whose sum is σ = 4836650. Its totient is φ = 637776.

The previous prime is 1913341. The next prime is 1913377. The reversal of 1913364 is 4633191.

It can be written as a sum of positive squares in only one way, i.e., 1710864 + 202500 = 1308^2 + 450^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26539 + ... + 26610.

2^1913364 is an apocalyptic number.

It is an amenable number.

1913364 is an abundant number, since it is smaller than the sum of its proper divisors (2923286).

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

1913364 is a wasteful number, since it uses less digits than its factorization.

1913364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53159 (or 53154 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1913364 is about 1383.2440131806. The cubic root of 1913364 is about 124.1459433207.

The spelling of 1913364 in words is "one million, nine hundred thirteen thousand, three hundred sixty-four".