4342378 has 8 divisors (see below), whose sum is σ = 6896772. Its totient is φ = 2043456.

The previous prime is 4342367. The next prime is 4342397. The reversal of 4342378 is 8732434.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3674889 + 667489 = 1917^2 + 817^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63825 + ... + 63892.

Almost surely, 2^4342378 is an apocalyptic number.

4342378 is a deficient number, since it is larger than the sum of its proper divisors (2554394).

4342378 is a wasteful number, since it uses less digits than its factorization.

4342378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127736.

The product of its digits is 16128, while the sum is 31.

The square root of 4342378 is about 2083.8373257047. The cubic root of 4342378 is about 163.1457915005.

The spelling of 4342378 in words is "four million, three hundred forty-two thousand, three hundred seventy-eight".