1397528 has 16 divisors (see below), whose sum is σ = 2858760. Its totient is φ = 635200.

The previous prime is 1397521. The next prime is 1397531. The reversal of 1397528 is 8257931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397521) 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, 7853 + ... + 8028.

2^1397528 is an apocalyptic number.

It is an amenable number.

1397528 is an abundant number, since it is smaller than the sum of its proper divisors (1461232).

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

1397528 is a wasteful number, since it uses less digits than its factorization.

1397528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15898 (or 15894 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 1397528 is about 1182.1708844325. The cubic root of 1397528 is about 111.8030125820.

It can be divided in two parts, 139 and 7528, that added together give a palindrome (7667).

The spelling of 1397528 in words is "one million, three hundred ninety-seven thousand, five hundred twenty-eight".