2420631 has 8 divisors (see below), whose sum is σ = 3586160. Its totient is φ = 1613736.

The previous prime is 2420611. The next prime is 2420633. The reversal of 2420631 is 1360242.

It is a happy number.

It is not a de Polignac number, because 2420631 - 2⁶ = 2420567 is a prime.

It is a super-2 number, since 2×2420631² = 11718908876322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44800 + ... + 44853.

It is an arithmetic number, because the mean of its divisors is an integer number (448270).

2^2420631 is an apocalyptic number.

2420631 is a deficient number, since it is larger than the sum of its proper divisors (1165529).

2420631 is an equidigital number, since it uses as much as digits as its factorization.

2420631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89662 (or 89656 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2420631 is about 1555.8377164730. The cubic root of 2420631 is about 134.2691368120.

Adding to 2420631 its reverse (1360242), we get a palindrome (3780873).

It can be divided in two parts, 242063 and 1, that added together give a square (242064 = 492²).

The spelling of 2420631 in words is "two million, four hundred twenty thousand, six hundred thirty-one".