290481206 has 4 divisors (see below), whose sum is σ = 435721812. Its totient is φ = 145240602.

The previous prime is 290481203. The next prime is 290481209. The reversal of 290481206 is 602184092.

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

It is an interprime number because it is at equal distance from previous prime (290481203) and next prime (290481209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290481203) 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, 72620300 + ... + 72620303.

It is an arithmetic number, because the mean of its divisors is an integer number (108930453).

Almost surely, 2^290481206 is an apocalyptic number.

290481206 is a deficient number, since it is larger than the sum of its proper divisors (145240606).

290481206 is a wasteful number, since it uses less digits than its factorization.

290481206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145240605.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 290481206 is about 17043.5092043863. The cubic root of 290481206 is about 662.2765020874.

The spelling of 290481206 in words is "two hundred ninety million, four hundred eighty-one thousand, two hundred six".