1396436 has 6 divisors (see below), whose sum is σ = 2443770. Its totient is φ = 698216.

The previous prime is 1396433. The next prime is 1396453. The reversal of 1396436 is 6346931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1012036 + 384400 = 1006^2 + 620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396433) by changing a digit.

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 as a sum of consecutive naturals, namely, 174551 + ... + 174558.

It is an arithmetic number, because the mean of its divisors is an integer number (407295).

2^1396436 is an apocalyptic number.

It is an amenable number.

1396436 is a deficient number, since it is larger than the sum of its proper divisors (1047334).

1396436 is a wasteful number, since it uses less digits than its factorization.

1396436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349113 (or 349111 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 1396436 is about 1181.7089320133. The cubic root of 1396436 is about 111.7738847928.

The spelling of 1396436 in words is "one million, three hundred ninety-six thousand, four hundred thirty-six".