290231042 has 8 divisors (see below), whose sum is σ = 458259600. Its totient is φ = 137477844.

The previous prime is 290231041. The next prime is 290231057. The reversal of 290231042 is 240132092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 290230999 and 290231017.

It is not an unprimeable number, because it can be changed into a prime (290231041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3818792 + ... + 3818867.

It is an arithmetic number, because the mean of its divisors is an integer number (57282450).

Almost surely, 2^290231042 is an apocalyptic number.

290231042 is a deficient number, since it is larger than the sum of its proper divisors (168028558).

290231042 is a wasteful number, since it uses less digits than its factorization.

290231042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637680.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 290231042 is about 17036.1686420392. The cubic root of 290231042 is about 662.0863287715.

The spelling of 290231042 in words is "two hundred ninety million, two hundred thirty-one thousand, forty-two".