1340499 has 8 divisors (see below), whose sum is σ = 1812112. Its totient is φ = 881280.

The previous prime is 1340497. The next prime is 1340527. The reversal of 1340499 is 9940431.

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

It is not a de Polignac number, because 1340499 - 2¹ = 1340497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340491) 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, 2842 + ... + 3279.

It is an arithmetic number, because the mean of its divisors is an integer number (226514).

2^1340499 is an apocalyptic number.

1340499 is a deficient number, since it is larger than the sum of its proper divisors (471613).

1340499 is an equidigital number, since it uses as much as digits as its factorization.

1340499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1340499 is about 1157.7992053893. The cubic root of 1340499 is about 110.2610603822.

The spelling of 1340499 in words is "one million, three hundred forty thousand, four hundred ninety-nine".