290045076 has 24 divisors (see below), whose sum is σ = 682983840. Its totient is φ = 95794272.

The previous prime is 290045047. The next prime is 290045081. The reversal of 290045076 is 670540092.

It is a super-2 number, since 2×290045076² = 168252292223691552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 109566 + ... + 112181.

It is an arithmetic number, because the mean of its divisors is an integer number (28457660).

Almost surely, 2^290045076 is an apocalyptic number.

It is an amenable number.

290045076 is an abundant number, since it is smaller than the sum of its proper divisors (392938764).

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

290045076 is a wasteful number, since it uses less digits than its factorization.

290045076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221863 (or 221861 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 290045076 is about 17030.7097914327. The cubic root of 290045076 is about 661.9448876029.

The spelling of 290045076 in words is "two hundred ninety million, forty-five thousand, seventy-six".