273890890 has 192 divisors, whose sum is σ = 680279040. Its totient is φ = 78382080.

The previous prime is 273890887. The next prime is 273890899. The reversal of 273890890 is 98098372.

It is a self number, because there is not a number n which added to its sum of digits gives 273890890.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273890899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3751894 + ... + 3751966.

It is an arithmetic number, because the mean of its divisors is an integer number (3543120).

Almost surely, 2^273890890 is an apocalyptic number.

273890890 is an abundant number, since it is smaller than the sum of its proper divisors (406388150).

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

273890890 is a wasteful number, since it uses less digits than its factorization.

273890890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 273890890 is about 16549.6492409960. The cubic root of 273890890 is about 649.4203036698.

The spelling of 273890890 in words is "two hundred seventy-three million, eight hundred ninety thousand, eight hundred ninety".