290489149 has 16 divisors (see below), whose sum is σ = 324110592. Its totient is φ = 258939648.

The previous prime is 290489113. The next prime is 290489159. The reversal of 290489149 is 941984092.

It is not a de Polignac number, because 290489149 - 2¹¹ = 290487101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290489099 and 290489108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290489159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36667 + ... + 43879.

It is an arithmetic number, because the mean of its divisors is an integer number (20256912).

Almost surely, 2^290489149 is an apocalyptic number.

It is an amenable number.

290489149 is a deficient number, since it is larger than the sum of its proper divisors (33621443).

290489149 is a wasteful number, since it uses less digits than its factorization.

290489149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 290489149 is about 17043.7422240540. The cubic root of 290489149 is about 662.2825385242.

The spelling of 290489149 in words is "two hundred ninety million, four hundred eighty-nine thousand, one hundred forty-nine".