424239278 has 16 divisors (see below), whose sum is σ = 685449216. Its totient is φ = 196351320.

The previous prime is 424239241. The next prime is 424239287. The reversal of 424239278 is 872932424.

It is a super-2 number, since 2×424239278² = 359957929995922568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147326 + ... + 150177.

It is an arithmetic number, because the mean of its divisors is an integer number (42840576).

Almost surely, 2^424239278 is an apocalyptic number.

424239278 is a deficient number, since it is larger than the sum of its proper divisors (261209938).

424239278 is a wasteful number, since it uses less digits than its factorization.

424239278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297559.

The product of its digits is 193536, while the sum is 41.

The square root of 424239278 is about 20597.0696459472. The cubic root of 424239278 is about 751.3984444797.

The spelling of 424239278 in words is "four hundred twenty-four million, two hundred thirty-nine thousand, two hundred seventy-eight".