1397832 has 16 divisors (see below), whose sum is σ = 3494640. Its totient is φ = 465936.

The previous prime is 1397783. The next prime is 1397833. The reversal of 1397832 is 2387931.

It is a junction number, because it is equal to n+sod(n) for n = 1397793 and 1397802.

It is not an unprimeable number, because it can be changed into a prime (1397833) 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, 29098 + ... + 29145.

It is an arithmetic number, because the mean of its divisors is an integer number (218415).

2^1397832 is an apocalyptic number.

1397832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1397832 is an abundant number, since it is smaller than the sum of its proper divisors (2096808).

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

1397832 is a wasteful number, since it uses less digits than its factorization.

1397832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58252 (or 58248 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 1397832 is about 1182.2994544531. The cubic root of 1397832 is about 111.8111187169.

Subtracting 1397832 from its reverse (2387931), we obtain a palindrome (990099).

The spelling of 1397832 in words is "one million, three hundred ninety-seven thousand, eight hundred thirty-two".