1397088 has 180 divisors, whose sum is σ = 5214132. Its totient is φ = 362880.

The previous prime is 1397087. The next prime is 1397101. The reversal of 1397088 is 8807931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397087) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 127003 + ... + 127013.

2^1397088 is an apocalyptic number.

1397088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2607066).

1397088 is an abundant number, since it is smaller than the sum of its proper divisors (3817044).

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

1397088 is a wasteful number, since it uses less digits than its factorization.

1397088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1397088 is about 1181.9847714755. The cubic root of 1397088 is about 111.7912779360.

Adding to 1397088 its sum of digits (36), we get a square (1397124 = 1182²).

It can be divided in two parts, 139 and 7088, that added together give a palindrome (7227).

The spelling of 1397088 in words is "one million, three hundred ninety-seven thousand, eighty-eight".