10040397 has 8 divisors (see below), whose sum is σ = 13969344. Its totient is φ = 6402528.

The previous prime is 10040363. The next prime is 10040399. The reversal of 10040397 is 79304001.

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

It is not a de Polignac number, because 10040397 - 2⁶ = 10040333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72688 + ... + 72825.

It is an arithmetic number, because the mean of its divisors is an integer number (1746168).

Almost surely, 2^10040397 is an apocalyptic number.

It is an amenable number.

10040397 is a deficient number, since it is larger than the sum of its proper divisors (3928947).

10040397 is a wasteful number, since it uses less digits than its factorization.

10040397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145539.

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

The square root of 10040397 is about 3168.6585489762. The cubic root of 10040397 is about 215.7331882204.

Adding to 10040397 its reverse (79304001), we get a palindrome (89344398).

The spelling of 10040397 in words is "ten million, forty thousand, three hundred ninety-seven".