290268494 has 4 divisors (see below), whose sum is σ = 435402744. Its totient is φ = 145134246.

The previous prime is 290268493. The next prime is 290268497. The reversal of 290268494 is 494862092.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290268493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72567122 + ... + 72567125.

It is an arithmetic number, because the mean of its divisors is an integer number (108850686).

Almost surely, 2^290268494 is an apocalyptic number.

290268494 is a deficient number, since it is larger than the sum of its proper divisors (145134250).

290268494 is a wasteful number, since it uses less digits than its factorization.

290268494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145134249.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 290268494 is about 17037.2677973905. The cubic root of 290268494 is about 662.1148065324.

The spelling of 290268494 in words is "two hundred ninety million, two hundred sixty-eight thousand, four hundred ninety-four".