1397190 has 16 divisors (see below), whose sum is σ = 3353328. Its totient is φ = 372576.

The previous prime is 1397189. The next prime is 1397219. The reversal of 1397190 is 917931.

It is a super-2 number, since 2×1397190² = 3904279792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 46573 = 1397190 / (1 + 3 + 9 + 7 + 1 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23257 + ... + 23316.

It is an arithmetic number, because the mean of its divisors is an integer number (209583).

2^1397190 is an apocalyptic number.

1397190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1397190 is an abundant number, since it is smaller than the sum of its proper divisors (1956138).

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

1397190 is a wasteful number, since it uses less digits than its factorization.

1397190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46583.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1397190 is about 1182.0279184520. The cubic root of 1397190 is about 111.7939984596.

The spelling of 1397190 in words is "one million, three hundred ninety-seven thousand, one hundred ninety".