1378606 has 8 divisors (see below), whose sum is σ = 2079000. Its totient is φ = 685608.

The previous prime is 1378603. The next prime is 1378613. The reversal of 1378606 is 6068731.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1356 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (259875).

2^1378606 is an apocalyptic number.

1378606 is a deficient number, since it is larger than the sum of its proper divisors (700394).

1378606 is a wasteful number, since it uses less digits than its factorization.

1378606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1378606 is about 1174.1405367331. The cubic root of 1378606 is about 111.2961278224.

The spelling of 1378606 in words is "one million, three hundred seventy-eight thousand, six hundred six".