1366340 has 24 divisors (see below), whose sum is σ = 2925720. Its totient is φ = 535808.

The previous prime is 1366333. The next prime is 1366349. The reversal of 1366340 is 436631.

It can be written as a sum of positive squares in 4 ways, for example, as 440896 + 925444 = 664^2 + 962^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416 + ... + 1704.

It is an arithmetic number, because the mean of its divisors is an integer number (121905).

2^1366340 is an apocalyptic number.

1366340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1366340 is an abundant number, since it is smaller than the sum of its proper divisors (1559380).

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

1366340 is a wasteful number, since it uses less digits than its factorization.

1366340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1366340 is about 1168.9054709428. The cubic root of 1366340 is about 110.9650621856.

The spelling of 1366340 in words is "one million, three hundred sixty-six thousand, three hundred forty".