1913163 has 32 divisors (see below), whose sum is σ = 3234816. Its totient is φ = 979968.

The previous prime is 1913161. The next prime is 1913201. The reversal of 1913163 is 3613191.

It is not a de Polignac number, because 1913163 - 2¹ = 1913161 is a prime.

1913163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1913161) 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 31 ways as a sum of consecutive naturals, for example, 8095 + ... + 8327.

It is an arithmetic number, because the mean of its divisors is an integer number (101088).

2^1913163 is an apocalyptic number.

1913163 is a deficient number, since it is larger than the sum of its proper divisors (1321653).

1913163 is a wasteful number, since it uses less digits than its factorization.

1913163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its digits is 486, while the sum is 24.

The square root of 1913163 is about 1383.1713559787. The cubic root of 1913163 is about 124.1415959673.

The spelling of 1913163 in words is "one million, nine hundred thirteen thousand, one hundred sixty-three".