1340462 has 4 divisors (see below), whose sum is σ = 2010696. Its totient is φ = 670230.

The previous prime is 1340459. The next prime is 1340477. The reversal of 1340462 is 2640431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2640431 = 37 ⋅71363.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335114 + ... + 335117.

It is an arithmetic number, because the mean of its divisors is an integer number (502674).

2^1340462 is an apocalyptic number.

1340462 is a deficient number, since it is larger than the sum of its proper divisors (670234).

1340462 is an equidigital number, since it uses as much as digits as its factorization.

1340462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670233.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1340462 is about 1157.7832266880. The cubic root of 1340462 is about 110.2600459101.

Adding to 1340462 its reverse (2640431), we get a palindrome (3980893).

The spelling of 1340462 in words is "one million, three hundred forty thousand, four hundred sixty-two".