2742438 has 32 divisors (see below), whose sum is σ = 5713920. Its totient is φ = 876960.

The previous prime is 2742427. The next prime is 2742461. The reversal of 2742438 is 8342472.

2742438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 21531 + ... + 21657.

It is an arithmetic number, because the mean of its divisors is an integer number (178560).

2^2742438 is an apocalyptic number.

2742438 is an abundant number, since it is smaller than the sum of its proper divisors (2971482).

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

2742438 is a wasteful number, since it uses less digits than its factorization.

2742438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 10752, while the sum is 30.

The square root of 2742438 is about 1656.0307968151. The cubic root of 2742438 is about 139.9734303320.

The spelling of 2742438 in words is "two million, seven hundred forty-two thousand, four hundred thirty-eight".