290747494 has 4 divisors (see below), whose sum is σ = 436121244. Its totient is φ = 145373746.

The previous prime is 290747489. The next prime is 290747497. The reversal of 290747494 is 494747092.

290747494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290747497) 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, 72686872 + ... + 72686875.

It is an arithmetic number, because the mean of its divisors is an integer number (109030311).

Almost surely, 2^290747494 is an apocalyptic number.

290747494 is a deficient number, since it is larger than the sum of its proper divisors (145373750).

290747494 is a wasteful number, since it uses less digits than its factorization.

290747494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145373749.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 290747494 is about 17051.3194210888. The cubic root of 290747494 is about 662.4788128504.

The spelling of 290747494 in words is "two hundred ninety million, seven hundred forty-seven thousand, four hundred ninety-four".