2420290 has 32 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 870144.

The previous prime is 2420287. The next prime is 2420291. The reversal of 2420290 is 920242.

It is a happy number.

2420290 is nontrivially palindromic in base 16.

It is not an unprimeable number, because it can be changed into a prime (2420291) 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, 3601 + ... + 4219.

It is an arithmetic number, because the mean of its divisors is an integer number (150660).

2^2420290 is an apocalyptic number.

2420290 is a deficient number, since it is larger than the sum of its proper divisors (2400830).

2420290 is a wasteful number, since it uses less digits than its factorization.

2420290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2420290 is about 1555.7281253484. The cubic root of 2420290 is about 134.2628315792.

The spelling of 2420290 in words is "two million, four hundred twenty thousand, two hundred ninety".