398291096 has 32 divisors (see below), whose sum is σ = 903687840. Its totient is φ = 160654848.

The previous prime is 398291093. The next prime is 398291107. The reversal of 398291096 is 690192893.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 398291096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398291093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208235 + ... + 210138.

It is an arithmetic number, because the mean of its divisors is an integer number (28240245).

Almost surely, 2^398291096 is an apocalyptic number.

It is an amenable number.

398291096 is an abundant number, since it is smaller than the sum of its proper divisors (505396744).

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

398291096 is a wasteful number, since it uses less digits than its factorization.

398291096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418403 (or 418399 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 398291096 is about 19957.2316717525. The cubic root of 398291096 is about 735.7555258840.

The spelling of 398291096 in words is "three hundred ninety-eight million, two hundred ninety-one thousand, ninety-six".