4290820 has 12 divisors (see below), whose sum is σ = 9010764. Its totient is φ = 1716320.

The previous prime is 4290799. The next prime is 4290823. The reversal of 4290820 is 280924.

It can be written as a sum of positive squares in 2 ways, for example, as 2353156 + 1937664 = 1534^2 + 1392^2 .

It is a super-2 number, since 2×4290820² = 36822272544800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4290823) 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, 107251 + ... + 107290.

It is an arithmetic number, because the mean of its divisors is an integer number (750897).

Almost surely, 2^4290820 is an apocalyptic number.

It is an amenable number.

4290820 is an abundant number, since it is smaller than the sum of its proper divisors (4719944).

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

4290820 is a wasteful number, since it uses less digits than its factorization.

4290820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214550 (or 214548 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 4290820 is about 2071.4294581279. The cubic root of 4290820 is about 162.4975305345.

The spelling of 4290820 in words is "four million, two hundred ninety thousand, eight hundred twenty".