290539942 has 16 divisors (see below), whose sum is σ = 543347712. Its totient is φ = 113197320.

The previous prime is 290539937. The next prime is 290539957. The reversal of 290539942 is 249935092.

It is a happy number.

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, 943158 + ... + 943465.

It is an arithmetic number, because the mean of its divisors is an integer number (33959232).

Almost surely, 2^290539942 is an apocalyptic number.

290539942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

290539942 is a deficient number, since it is larger than the sum of its proper divisors (252807770).

290539942 is a wasteful number, since it uses less digits than its factorization.

290539942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886643.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 290539942 is about 17045.2322366109. The cubic root of 290539942 is about 662.3211370475.

The spelling of 290539942 in words is "two hundred ninety million, five hundred thirty-nine thousand, nine hundred forty-two".