290000061 has 16 divisors (see below), whose sum is σ = 462678720. Its totient is φ = 178461360.

The previous prime is 290000057. The next prime is 290000089. The reversal of 290000061 is 160000092.

It is not a de Polignac number, because 290000061 - 2² = 290000057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289999989 and 290000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290000461) 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 15 ways as a sum of consecutive naturals, for example, 412755 + ... + 413456.

It is an arithmetic number, because the mean of its divisors is an integer number (28917420).

Almost surely, 2^290000061 is an apocalyptic number.

It is an amenable number.

290000061 is a deficient number, since it is larger than the sum of its proper divisors (172678659).

290000061 is a wasteful number, since it uses less digits than its factorization.

290000061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826233 (or 826227 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 290000061 is about 17029.3881569480. The cubic root of 290000061 is about 661.9106412124.

The spelling of 290000061 in words is "two hundred ninety million, sixty-one", and thus it is an aban number.