1040397 has 8 divisors (see below), whose sum is σ = 1393920. Its totient is φ = 690240.

The previous prime is 1040387. The next prime is 1040407. The reversal of 1040397 is 7930401.

1040397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1040387) and next prime (1040407).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040397 - 2⁴ = 1040381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040327) 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, 4 + ... + 1442.

It is an arithmetic number, because the mean of its divisors is an integer number (174240).

2^1040397 is an apocalyptic number.

It is an amenable number.

1040397 is a deficient number, since it is larger than the sum of its proper divisors (353523).

1040397 is a wasteful number, since it uses less digits than its factorization.

1040397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1040397 is about 1019.9985294107. The cubic root of 1040397 is about 101.3288305459.

Adding to 1040397 its reverse (7930401), we get a palindrome (8970798).

The spelling of 1040397 in words is "one million, forty thousand, three hundred ninety-seven".