290630912 has 144 divisors (see below), whose sum is σ = 723183552. Its totient is φ = 114524160.

The previous prime is 290630887. The next prime is 290630927. The reversal of 290630912 is 219036092.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622103 + ... + 622569.

It is an arithmetic number, because the mean of its divisors is an integer number (5022108).

Almost surely, 2^290630912 is an apocalyptic number.

290630912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290630912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361591776).

290630912 is an abundant number, since it is smaller than the sum of its proper divisors (432552640).

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

290630912 is a wasteful number, since it uses less digits than its factorization.

290630912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 290630912 is about 17047.9005158993. The cubic root of 290630912 is about 662.3902555608.

The spelling of 290630912 in words is "two hundred ninety million, six hundred thirty thousand, nine hundred twelve".