290190048 has 24 divisors (see below), whose sum is σ = 761749128. Its totient is φ = 96729984.

The previous prime is 290190031. The next prime is 290190049. The reversal of 290190048 is 840091092.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290190049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511311 + ... + 1511502.

It is an arithmetic number, because the mean of its divisors is an integer number (31739547).

Almost surely, 2^290190048 is an apocalyptic number.

It is an amenable number.

290190048 is an abundant number, since it is smaller than the sum of its proper divisors (471559080).

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

290190048 is a wasteful number, since it uses less digits than its factorization.

290190048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022826 (or 3022818 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 290190048 is about 17034.9654534431. The cubic root of 290190048 is about 662.0551549352.

The spelling of 290190048 in words is "two hundred ninety million, one hundred ninety thousand, forty-eight".