2420478 has 12 divisors (see below), whose sum is σ = 5244408. Its totient is φ = 806820.

The previous prime is 2420471. The next prime is 2420479. The reversal of 2420478 is 8740242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67218 + ... + 67253.

It is an arithmetic number, because the mean of its divisors is an integer number (437034).

2^2420478 is an apocalyptic number.

2420478 is an abundant number, since it is smaller than the sum of its proper divisors (2823930).

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

2420478 is a wasteful number, since it uses less digits than its factorization.

2420478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134479 (or 134476 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2420478 is about 1555.7885460435. The cubic root of 2420478 is about 134.2663078511.

It can be divided in two parts, 24 and 20478, that added together give a palindrome (20502).

The spelling of 2420478 in words is "two million, four hundred twenty thousand, four hundred seventy-eight".