290261376 has 96 divisors (see below), whose sum is σ = 840153600. Its totient is φ = 96187392.

The previous prime is 290261371. The next prime is 290261429. The reversal of 290261376 is 673162092.

290261376 is a `hidden beast` number, since 29 + 0 + 261 + 376 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 290261376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290261371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226305 + ... + 227583.

It is an arithmetic number, because the mean of its divisors is an integer number (8751600).

Almost surely, 2^290261376 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 290261376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420076800).

290261376 is an abundant number, since it is smaller than the sum of its proper divisors (549892224).

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

290261376 is a wasteful number, since it uses less digits than its factorization.

290261376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 290261376 is about 17037.0589011132. The cubic root of 290261376 is about 662.1093943344.

The spelling of 290261376 in words is "two hundred ninety million, two hundred sixty-one thousand, three hundred seventy-six".