2477842 has 4 divisors (see below), whose sum is σ = 3716766. Its totient is φ = 1238920.

The previous prime is 2477837. The next prime is 2477851. The reversal of 2477842 is 2487742.

2477842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2468041 + 9801 = 1571^2 + 99^2 .

It is a super-2 number, since 2×2477842² = 12279401953928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2477798 and 2477807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619459 + ... + 619462.

2^2477842 is an apocalyptic number.

2477842 is a deficient number, since it is larger than the sum of its proper divisors (1238924).

2477842 is a wasteful number, since it uses less digits than its factorization.

2477842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238923.

The product of its digits is 25088, while the sum is 34.

The square root of 2477842 is about 1574.1162600011. The cubic root of 2477842 is about 135.3187165547.

The spelling of 2477842 in words is "two million, four hundred seventy-seven thousand, eight hundred forty-two".