398348106 has 64 divisors (see below), whose sum is σ = 880927488. Its totient is φ = 119328768.

The previous prime is 398348101. The next prime is 398348123. The reversal of 398348106 is 601843893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (398348101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690090 + ... + 690666.

It is an arithmetic number, because the mean of its divisors is an integer number (13764492).

Almost surely, 2^398348106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398348106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440463744).

398348106 is an abundant number, since it is smaller than the sum of its proper divisors (482579382).

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

398348106 is a wasteful number, since it uses less digits than its factorization.

398348106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 398348106 is about 19958.6599249549. The cubic root of 398348106 is about 735.7906287035.

The spelling of 398348106 in words is "three hundred ninety-eight million, three hundred forty-eight thousand, one hundred six".