398307348 has 96 divisors (see below), whose sum is σ = 1112227200. Its totient is φ = 122807808.

The previous prime is 398307319. The next prime is 398307379. The reversal of 398307348 is 843703893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106486 + ... + 110162.

It is an arithmetic number, because the mean of its divisors is an integer number (11585700).

Almost surely, 2^398307348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398307348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556113600).

398307348 is an abundant number, since it is smaller than the sum of its proper divisors (713919852).

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

398307348 is a wasteful number, since it uses less digits than its factorization.

398307348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3758 counting only the distinct ones).

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

The square root of 398307348 is about 19957.6388382995. The cubic root of 398307348 is about 735.7655330842.

The spelling of 398307348 in words is "three hundred ninety-eight million, three hundred seven thousand, three hundred forty-eight".