273969 has 16 divisors (see below), whose sum is σ = 414400. Its totient is φ = 178848.

The previous prime is 273967. The next prime is 273971. The reversal of 273969 is 969372.

It is an interprime number because it is at equal distance from previous prime (273967) and next prime (273971).

It is not a de Polignac number, because 273969 - 2¹ = 273967 is a prime.

It is a super-2 number, since 2×273969² = 150118025922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 273969.

It is not an unprimeable number, because it can be changed into a prime (273967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902 + ... + 2040.

It is an arithmetic number, because the mean of its divisors is an integer number (25900).

2²⁷³⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

273969 is a deficient number, since it is larger than the sum of its proper divisors (140431).

273969 is a wasteful number, since it uses less digits than its factorization.

273969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 215 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 273969 is about 523.4204810666. The cubic root of 273969 is about 64.9482033116.

The spelling of 273969 in words is "two hundred seventy-three thousand, nine hundred sixty-nine".