290284129 has 12 divisors (see below), whose sum is σ = 315916524. Its totient is φ = 265803264.

The previous prime is 290284123. The next prime is 290284187. The reversal of 290284129 is 921482092.

It can be written as a sum of positive squares in 6 ways, for example, as 121881600 + 168402529 = 11040^2 + 12977^2 .

It is not a de Polignac number, because 290284129 - 2⁵ = 290284097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290284123) 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, 17037 + ... + 29509.

It is an arithmetic number, because the mean of its divisors is an integer number (26326377).

Almost surely, 2^290284129 is an apocalyptic number.

It is an amenable number.

290284129 is a deficient number, since it is larger than the sum of its proper divisors (25632395).

290284129 is a wasteful number, since it uses less digits than its factorization.

290284129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564 (or 12527 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 290284129 is about 17037.7266382578. The cubic root of 290284129 is about 662.1266943527.

The spelling of 290284129 in words is "two hundred ninety million, two hundred eighty-four thousand, one hundred twenty-nine".