290492 has 6 divisors (see below), whose sum is σ = 508368. Its totient is φ = 145244.

The previous prime is 290489. The next prime is 290497. The reversal of 290492 is 294092.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290492.

It is not an unprimeable number, because it can be changed into a prime (290497) 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 as a sum of consecutive naturals, namely, 36308 + ... + 36315.

It is an arithmetic number, because the mean of its divisors is an integer number (84728).

2²⁹⁰⁴⁹² is an apocalyptic number.

It is an amenable number.

290492 is a deficient number, since it is larger than the sum of its proper divisors (217876).

290492 is a wasteful number, since it uses less digits than its factorization.

290492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72627 (or 72625 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 290492 is about 538.9730976589. The cubic root of 290492 is about 66.2284705170.

Subtracting 290492 from its reverse (294092), we obtain a square (3600 = 60²).

The spelling of 290492 in words is "two hundred ninety thousand, four hundred ninety-two".