290104728 has 32 divisors (see below), whose sum is σ = 767925360. Its totient is φ = 91013120.

The previous prime is 290104723. The next prime is 290104733. The reversal of 290104728 is 827401092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (290104723) and next prime (290104733).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290104723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355113 + ... + 355928.

Almost surely, 2^290104728 is an apocalyptic number.

It is an amenable number.

290104728 is an abundant number, since it is smaller than the sum of its proper divisors (477820632).

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

290104728 is a wasteful number, since it uses less digits than its factorization.

290104728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711067 (or 711063 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 290104728 is about 17032.4610083217. The cubic root of 290104728 is about 661.9902640323.

The spelling of 290104728 in words is "two hundred ninety million, one hundred four thousand, seven hundred twenty-eight".