273938464 has 48 divisors (see below), whose sum is σ = 564677568. Its totient is φ = 130569472.

The previous prime is 273938461. The next prime is 273938471. The reversal of 273938464 is 464839372.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (273938461) 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 7 ways as a sum of consecutive naturals, for example, 343314 + ... + 344110.

It is an arithmetic number, because the mean of its divisors is an integer number (11764116).

Almost surely, 2^273938464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273938464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282338784).

273938464 is an abundant number, since it is smaller than the sum of its proper divisors (290739104).

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

273938464 is a wasteful number, since it uses less digits than its factorization.

273938464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297 (or 1289 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 273938464 is about 16551.0864900163. The cubic root of 273938464 is about 649.4579022587.

The spelling of 273938464 in words is "two hundred seventy-three million, nine hundred thirty-eight thousand, four hundred sixty-four".