478857342 has 32 divisors (see below), whose sum is σ = 1009105920. Its totient is φ = 151070400.

The previous prime is 478857329. The next prime is 478857349. The reversal of 478857342 is 243758874.

It is a super-3 number, since 3×478857342³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478857291 and 478857300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478857349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221338 + ... + 223490.

It is an arithmetic number, because the mean of its divisors is an integer number (31534560).

Almost surely, 2^478857342 is an apocalyptic number.

478857342 is an abundant number, since it is smaller than the sum of its proper divisors (530248578).

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

478857342 is a wasteful number, since it uses less digits than its factorization.

478857342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128.

The product of its digits is 1505280, while the sum is 48.

The square root of 478857342 is about 21882.8092803461. The cubic root of 478857342 is about 782.3517352902.

The spelling of 478857342 in words is "four hundred seventy-eight million, eight hundred fifty-seven thousand, three hundred forty-two".