290409534 has 12 divisors (see below), whose sum is σ = 629220696. Its totient is φ = 96803172.

The previous prime is 290409533. The next prime is 290409563. The reversal of 290409534 is 435904092.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290409533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8066914 + ... + 8066949.

It is an arithmetic number, because the mean of its divisors is an integer number (52435058).

Almost surely, 2^290409534 is an apocalyptic number.

290409534 is an abundant number, since it is smaller than the sum of its proper divisors (338811162).

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

290409534 is a wasteful number, since it uses less digits than its factorization.

290409534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16133871 (or 16133868 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 290409534 is about 17041.4064560411. The cubic root of 290409534 is about 662.2220285852. Note that the first 3 decimals are identical.

The spelling of 290409534 in words is "two hundred ninety million, four hundred nine thousand, five hundred thirty-four".