290049537 has 4 divisors (see below), whose sum is σ = 386732720. Its totient is φ = 193366356.

The previous prime is 290049523. The next prime is 290049541. The reversal of 290049537 is 735940092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 290049537 - 2⁴ = 290049521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290049495 and 290049504.

It is not an unprimeable number, because it can be changed into a prime (290049517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48341587 + ... + 48341592.

It is an arithmetic number, because the mean of its divisors is an integer number (96683180).

Almost surely, 2^290049537 is an apocalyptic number.

It is an amenable number.

290049537 is a deficient number, since it is larger than the sum of its proper divisors (96683183).

290049537 is an equidigital number, since it uses as much as digits as its factorization.

290049537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96683182.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 290049537 is about 17030.8407602209. The cubic root of 290049537 is about 661.9482812375.

The spelling of 290049537 in words is "two hundred ninety million, forty-nine thousand, five hundred thirty-seven".