290008542 has 16 divisors (see below), whose sum is σ = 614135952. Its totient is φ = 90983040.

The previous prime is 290008531. The next prime is 290008549. The reversal of 290008542 is 245800092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290008549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421509 + ... + 1421712.

It is an arithmetic number, because the mean of its divisors is an integer number (38383497).

Almost surely, 2^290008542 is an apocalyptic number.

290008542 is an abundant number, since it is smaller than the sum of its proper divisors (324127410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290008542 is a wasteful number, since it uses less digits than its factorization.

290008542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843243.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 290008542 is about 17029.6371658353. The cubic root of 290008542 is about 661.9170936357.

The spelling of 290008542 in words is "two hundred ninety million, eight thousand, five hundred forty-two".