1396574 has 4 divisors (see below), whose sum is σ = 2094864. Its totient is φ = 698286.

The previous prime is 1396561. The next prime is 1396579. The reversal of 1396574 is 4756931.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349142 + ... + 349145.

It is an arithmetic number, because the mean of its divisors is an integer number (523716).

2^1396574 is an apocalyptic number.

1396574 is a deficient number, since it is larger than the sum of its proper divisors (698290).

1396574 is an equidigital number, since it uses as much as digits as its factorization.

1396574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698289.

The product of its digits is 22680, while the sum is 35.

The square root of 1396574 is about 1181.7673205839. The cubic root of 1396574 is about 111.7775666152. Note that the first 3 decimals are identical.

The spelling of 1396574 in words is "one million, three hundred ninety-six thousand, five hundred seventy-four".