1397748 has 24 divisors (see below), whose sum is σ = 3558240. Its totient is φ = 423520.

The previous prime is 1397743. The next prime is 1397761. The reversal of 1397748 is 8477931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5163 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (148260).

2^1397748 is an apocalyptic number.

It is an amenable number.

1397748 is an abundant number, since it is smaller than the sum of its proper divisors (2160492).

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

1397748 is a wasteful number, since it uses less digits than its factorization.

1397748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10607 (or 10605 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 1397748 is about 1182.2639299243. The cubic root of 1397748 is about 111.8088789814.

It can be divided in two parts, 1397 and 748, that added together give a triangular number (2145 = T₆₅).

The spelling of 1397748 in words is "one million, three hundred ninety-seven thousand, seven hundred forty-eight".