290368416 has 192 divisors, whose sum is σ = 868734720. Its totient is φ = 84295680.

The previous prime is 290368373. The next prime is 290368417. The reversal of 290368416 is 614863092.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (290368417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2569576 + ... + 2569688.

It is an arithmetic number, because the mean of its divisors is an integer number (4524660).

Almost surely, 2^290368416 is an apocalyptic number.

290368416 is a gapful number since it is divisible by the number (26) 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 290368416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434367360).

290368416 is an abundant number, since it is smaller than the sum of its proper divisors (578366304).

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

290368416 is a wasteful number, since it uses less digits than its factorization.

290368416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 290368416 is about 17040.1999988263. The cubic root of 290368416 is about 662.1907732631.

The spelling of 290368416 in words is "two hundred ninety million, three hundred sixty-eight thousand, four hundred sixteen".