10397421 has 12 divisors (see below), whose sum is σ = 15902172. Its totient is φ = 6523776.

The previous prime is 10397419. The next prime is 10397423. The reversal of 10397421 is 12479301.

It is an interprime number because it is at equal distance from previous prime (10397419) and next prime (10397423).

It can be written as a sum of positive squares in 2 ways, for example, as 3663396 + 6734025 = 1914^2 + 2595^2 .

It is not a de Polignac number, because 10397421 - 2¹ = 10397419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10397423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33826 + ... + 34131.

It is an arithmetic number, because the mean of its divisors is an integer number (1325181).

Almost surely, 2^10397421 is an apocalyptic number.

It is an amenable number.

10397421 is a deficient number, since it is larger than the sum of its proper divisors (5504751).

10397421 is a wasteful number, since it uses less digits than its factorization.

10397421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67980 (or 67977 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 10397421 is about 3224.5032175515. The cubic root of 10397421 is about 218.2605321575.

The spelling of 10397421 in words is "ten million, three hundred ninety-seven thousand, four hundred twenty-one".