290443012 has 12 divisors (see below), whose sum is σ = 508543056. Its totient is φ = 145145000.

The previous prime is 290443009. The next prime is 290443039. The reversal of 290443012 is 210344092.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10114 + ... + 26137.

It is an arithmetic number, because the mean of its divisors is an integer number (42378588).

Almost surely, 2^290443012 is an apocalyptic number.

It is an amenable number.

290443012 is a deficient number, since it is larger than the sum of its proper divisors (218100044).

290443012 is a wasteful number, since it uses less digits than its factorization.

290443012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38258 (or 38256 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 290443012 is about 17042.3886823415. The cubic root of 290443012 is about 662.2474742801.

The spelling of 290443012 in words is "two hundred ninety million, four hundred forty-three thousand, twelve".