1397480 has 96 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 443520.

The previous prime is 1397477. The next prime is 1397483. The reversal of 1397480 is 847931.

It is an interprime number because it is at equal distance from previous prime (1397477) and next prime (1397483).

It is not an unprimeable number, because it can be changed into a prime (1397483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45065 + ... + 45095.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2^1397480 is an apocalyptic number.

1397480 is a gapful number since it is divisible by the number (10) 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 1397480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969920).

1397480 is an abundant number, since it is smaller than the sum of its proper divisors (2542360).

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

1397480 is a wasteful number, since it uses less digits than its factorization.

1397480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1397480 is about 1182.1505826247. The cubic root of 1397480 is about 111.8017325585.

The spelling of 1397480 in words is "one million, three hundred ninety-seven thousand, four hundred eighty".