478797390 has 96 divisors (see below), whose sum is σ = 1300721760. Its totient is φ = 122072832.

The previous prime is 478797377. The next prime is 478797409. The reversal of 478797390 is 93797874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195252 + ... + 197688.

It is an arithmetic number, because the mean of its divisors is an integer number (13549185).

Almost surely, 2^478797390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478797390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650360880).

478797390 is an abundant number, since it is smaller than the sum of its proper divisors (821924370).

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

478797390 is a wasteful number, since it uses less digits than its factorization.

478797390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 478797390 is about 21881.4393950672. The cubic root of 478797390 is about 782.3190842932.

The spelling of 478797390 in words is "four hundred seventy-eight million, seven hundred ninety-seven thousand, three hundred ninety".