290028673 has 16 divisors (see below), whose sum is σ = 333627840. Its totient is φ = 249350400.

The previous prime is 290028647. The next prime is 290028703. The reversal of 290028673 is 376820092.

It is a cyclic number.

It is not a de Polignac number, because 290028673 - 2⁹ = 290028161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290022673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195093 + ... + 196573.

It is an arithmetic number, because the mean of its divisors is an integer number (20851740).

Almost surely, 2^290028673 is an apocalyptic number.

It is an amenable number.

290028673 is a deficient number, since it is larger than the sum of its proper divisors (43599167).

290028673 is a wasteful number, since it uses less digits than its factorization.

290028673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 290028673 is about 17030.2282133858. The cubic root of 290028673 is about 661.9324089831.

It can be divided in two parts, 29002 and 8673, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 290028673 in words is "two hundred ninety million, twenty-eight thousand, six hundred seventy-three".