2406842 has 4 divisors (see below), whose sum is σ = 3610266. Its totient is φ = 1203420.

The previous prime is 2406821. The next prime is 2406847. The reversal of 2406842 is 2486042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1540081 + 866761 = 1241^2 + 931^2 .

It is not an unprimeable number, because it can be changed into a prime (2406847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601709 + ... + 601712.

2^2406842 is an apocalyptic number.

2406842 is a deficient number, since it is larger than the sum of its proper divisors (1203424).

2406842 is a wasteful number, since it uses less digits than its factorization.

2406842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203423.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2406842 is about 1551.4000128916. The cubic root of 2406842 is about 134.0136987555.

The spelling of 2406842 in words is "two million, four hundred six thousand, eight hundred forty-two".