290489342 has 16 divisors (see below), whose sum is σ = 511911792. Its totient is φ = 121883520.

The previous prime is 290489327. The next prime is 290489363. The reversal of 290489342 is 243984092.

It is a self number, because there is not a number n which added to its sum of digits gives 290489342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507563 + ... + 508134.

It is an arithmetic number, because the mean of its divisors is an integer number (31994487).

Almost surely, 2^290489342 is an apocalyptic number.

290489342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

290489342 is a deficient number, since it is larger than the sum of its proper divisors (221422450).

290489342 is a wasteful number, since it uses less digits than its factorization.

290489342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015723.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 290489342 is about 17043.7478859551. The cubic root of 290489342 is about 662.2826851969.

The spelling of 290489342 in words is "two hundred ninety million, four hundred eighty-nine thousand, three hundred forty-two".