1396407 has 4 divisors (see below), whose sum is σ = 1861880. Its totient is φ = 930936.

The previous prime is 1396393. The next prime is 1396411. The reversal of 1396407 is 7046931.

It is a happy number.

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

It is not a de Polignac number, because 1396407 - 2¹¹ = 1394359 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396427) 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 in 3 ways as a sum of consecutive naturals, for example, 232732 + ... + 232737.

It is an arithmetic number, because the mean of its divisors is an integer number (465470).

2^1396407 is an apocalyptic number.

1396407 is a deficient number, since it is larger than the sum of its proper divisors (465473).

1396407 is an equidigital number, since it uses as much as digits as its factorization.

1396407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465472.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1396407 is about 1181.6966615845. The cubic root of 1396407 is about 111.7731110457.

The spelling of 1396407 in words is "one million, three hundred ninety-six thousand, four hundred seven".