10270399 has 4 divisors (see below), whose sum is σ = 10295920. Its totient is φ = 10244880.

The previous prime is 10270391. The next prime is 10270409. The reversal of 10270399 is 99307201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10270399 - 2³ = 10270391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10270399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10270391) 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, 12147 + ... + 12964.

It is an arithmetic number, because the mean of its divisors is an integer number (2573980).

Almost surely, 2^10270399 is an apocalyptic number.

10270399 is a deficient number, since it is larger than the sum of its proper divisors (25521).

10270399 is an equidigital number, since it uses as much as digits as its factorization.

10270399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25520.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 10270399 is about 3204.7463238141. The cubic root of 10270399 is about 217.3680813645.

The spelling of 10270399 in words is "ten million, two hundred seventy thousand, three hundred ninety-nine".