1397601 has 16 divisors (see below), whose sum is σ = 2128000. Its totient is φ = 905904.

The previous prime is 1397581. The next prime is 1397603. The reversal of 1397601 is 1067931.

It is not a de Polignac number, because 1397601 - 2⁵ = 1397569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1397603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (133000).

2^1397601 is an apocalyptic number.

It is an amenable number.

1397601 is a deficient number, since it is larger than the sum of its proper divisors (730399).

1397601 is a wasteful number, since it uses less digits than its factorization.

1397601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1397601 is about 1182.2017594303. The cubic root of 1397601 is about 111.8049592282.

The spelling of 1397601 in words is "one million, three hundred ninety-seven thousand, six hundred one".