290904141 has 8 divisors (see below), whose sum is σ = 423133344. Its totient is φ = 176305520.

The previous prime is 290904083. The next prime is 290904157. The reversal of 290904141 is 141409092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 290904141 - 2⁷ = 290904013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 290904099 and 290904108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290904641) 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, 4407606 + ... + 4407671.

It is an arithmetic number, because the mean of its divisors is an integer number (52891668).

Almost surely, 2^290904141 is an apocalyptic number.

It is an amenable number.

290904141 is a deficient number, since it is larger than the sum of its proper divisors (132229203).

290904141 is a wasteful number, since it uses less digits than its factorization.

290904141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815291.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 290904141 is about 17055.9122007590. The cubic root of 290904141 is about 662.5977667986.

The spelling of 290904141 in words is "two hundred ninety million, nine hundred four thousand, one hundred forty-one".