2758442 has 8 divisors (see below), whose sum is σ = 4271232. Its totient is φ = 1334700.

The previous prime is 2758429. The next prime is 2758447. The reversal of 2758442 is 2448572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2758399 and 2758408.

It is not an unprimeable number, because it can be changed into a prime (2758447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22184 + ... + 22307.

It is an arithmetic number, because the mean of its divisors is an integer number (533904).

2^2758442 is an apocalyptic number.

2758442 is a deficient number, since it is larger than the sum of its proper divisors (1512790).

2758442 is a wasteful number, since it uses less digits than its factorization.

2758442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44524.

The product of its digits is 17920, while the sum is 32.

The square root of 2758442 is about 1660.8558034941. The cubic root of 2758442 is about 140.2451826049.

The spelling of 2758442 in words is "two million, seven hundred fifty-eight thousand, four hundred forty-two".