398476260 has 576 divisors, whose sum is σ = 1664312832. Its totient is φ = 77635584.

The previous prime is 398476223. The next prime is 398476279. The reversal of 398476260 is 62674893.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 191 ways as a sum of consecutive naturals, for example, 7518394 + ... + 7518446.

It is an arithmetic number, because the mean of its divisors is an integer number (2889432).

Almost surely, 2^398476260 is an apocalyptic number.

398476260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398476260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832156416).

398476260 is an abundant number, since it is smaller than the sum of its proper divisors (1265836572).

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

398476260 is a wasteful number, since it uses less digits than its factorization.

398476260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 398476260 is about 19961.8701528689. The cubic root of 398476260 is about 735.8695248588.

The spelling of 398476260 in words is "three hundred ninety-eight million, four hundred seventy-six thousand, two hundred sixty".