2420642 has 16 divisors (see below), whose sum is σ = 4247232. Its totient is φ = 1013040.

The previous prime is 2420633. The next prime is 2420687. The reversal of 2420642 is 2460242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (265452).

2^2420642 is an apocalyptic number.

2420642 is a deficient number, since it is larger than the sum of its proper divisors (1826590).

2420642 is a wasteful number, since it uses less digits than its factorization.

2420642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2420642 is about 1555.8412515421. The cubic root of 2420642 is about 134.2693401967.

Adding to 2420642 its reverse (2460242), we get a palindrome (4880884).

The spelling of 2420642 in words is "two million, four hundred twenty thousand, six hundred forty-two".