1068397 has 4 divisors (see below), whose sum is σ = 1165536. Its totient is φ = 971260.

The previous prime is 1068383. The next prime is 1068407. The reversal of 1068397 is 7938601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1068397 - 2¹⁹ = 544109 is a prime.

It is a super-2 number, since 2×1068397² = 2282944299218, which contains 22 as substring.

It is a Duffinian number.

1068397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48553 + ... + 48574.

It is an arithmetic number, because the mean of its divisors is an integer number (291384).

2^1068397 is an apocalyptic number.

1068397 is the 553-rd centered heptagonal number.

It is an amenable number.

1068397 is a deficient number, since it is larger than the sum of its proper divisors (97139).

1068397 is an equidigital number, since it uses as much as digits as its factorization.

1068397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97138.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1068397 is about 1033.6329135626. The cubic root of 1068397 is about 102.2298099195.

The spelling of 1068397 in words is "one million, sixty-eight thousand, three hundred ninety-seven".