273938868 has 48 divisors (see below), whose sum is σ = 811672960. Its totient is φ = 78268032.

The previous prime is 273938849. The next prime is 273938869. The reversal of 273938868 is 868839372.

It is a super-2 number, since 2×273938868² = 150085006802242848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273938869) 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, 180421 + ... + 181932.

Almost surely, 2^273938868 is an apocalyptic number.

273938868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

273938868 is an abundant number, since it is smaller than the sum of its proper divisors (537734092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

273938868 is a wasteful number, since it uses less digits than its factorization.

273938868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362373 (or 362365 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 273938868 is about 16551.0986946486. The cubic root of 273938868 is about 649.4582215285.

The spelling of 273938868 in words is "two hundred seventy-three million, nine hundred thirty-eight thousand, eight hundred sixty-eight".