10156849 has 4 divisors (see below), whose sum is σ = 10691440. Its totient is φ = 9622260.

The previous prime is 10156847. The next prime is 10156859. The reversal of 10156849 is 94865101.

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 10156849 - 2¹ = 10156847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10156847) 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, 267267 + ... + 267304.

It is an arithmetic number, because the mean of its divisors is an integer number (2672860).

Almost surely, 2^10156849 is an apocalyptic number.

10156849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10156849 is a deficient number, since it is larger than the sum of its proper divisors (534591).

10156849 is an equidigital number, since it uses as much as digits as its factorization.

10156849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534590.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 10156849 is about 3186.9811734618. The cubic root of 10156849 is about 216.5640337057.

The spelling of 10156849 in words is "ten million, one hundred fifty-six thousand, eight hundred forty-nine".