1340604 has 24 divisors (see below), whose sum is σ = 3475920. Its totient is φ = 446832.

The previous prime is 1340587. The next prime is 1340617. The reversal of 1340604 is 4060431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099 + ... + 6314.

It is an arithmetic number, because the mean of its divisors is an integer number (144830).

2^1340604 is an apocalyptic number.

It is an amenable number.

1340604 is an abundant number, since it is smaller than the sum of its proper divisors (2135316).

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

1340604 is a wasteful number, since it uses less digits than its factorization.

1340604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12426 (or 12418 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1340604 is about 1157.8445491516. The cubic root of 1340604 is about 110.2639391881.

The spelling of 1340604 in words is "one million, three hundred forty thousand, six hundred four".