290000473 has 6 divisors (see below), whose sum is σ = 337347546. Its totient is φ = 248571792.

The previous prime is 290000461. The next prime is 290000479. The reversal of 290000473 is 374000092.

It can be written as a sum of positive squares in only one way, i.e., 260112384 + 29888089 = 16128^2 + 5467^2 .

It is not a de Polignac number, because 290000473 - 2⁹ = 289999961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290000479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2959140 + ... + 2959237.

It is an arithmetic number, because the mean of its divisors is an integer number (56224591).

Almost surely, 2^290000473 is an apocalyptic number.

It is an amenable number.

290000473 is a deficient number, since it is larger than the sum of its proper divisors (47347073).

290000473 is an equidigital number, since it uses as much as digits as its factorization.

290000473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918391 (or 5918384 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 290000473 is about 17029.4002536789. The cubic root of 290000473 is about 661.9109546688.

The spelling of 290000473 in words is "two hundred ninety million, four hundred seventy-three", and thus it is an aban number.