290089473 has 32 divisors (see below), whose sum is σ = 421545600. Its totient is φ = 176832000.

The previous prime is 290089469. The next prime is 290089487. The reversal of 290089473 is 374980092.

It is not a de Polignac number, because 290089473 - 2² = 290089469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290089453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235423 + ... + 236651.

It is an arithmetic number, because the mean of its divisors is an integer number (13173300).

Almost surely, 2^290089473 is an apocalyptic number.

It is an amenable number.

290089473 is a deficient number, since it is larger than the sum of its proper divisors (131456127).

290089473 is a wasteful number, since it uses less digits than its factorization.

290089473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 290089473 is about 17032.0131810658. The cubic root of 290089473 is about 661.9786603624.

The spelling of 290089473 in words is "two hundred ninety million, eighty-nine thousand, four hundred seventy-three".