290166420 has 24 divisors (see below), whose sum is σ = 812466144. Its totient is φ = 77377696.

The previous prime is 290166419. The next prime is 290166449. The reversal of 290166420 is 24661092.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2417994 + ... + 2418113.

It is an arithmetic number, because the mean of its divisors is an integer number (33852756).

Almost surely, 2^290166420 is an apocalyptic number.

290166420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290166420 is an abundant number, since it is smaller than the sum of its proper divisors (522299724).

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

290166420 is a wasteful number, since it uses less digits than its factorization.

290166420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836119 (or 4836117 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 290166420 is about 17034.2719245643. The cubic root of 290166420 is about 662.0371857183.

The spelling of 290166420 in words is "two hundred ninety million, one hundred sixty-six thousand, four hundred twenty".