396098658 has 18 divisors (see below), whose sum is σ = 858396747. Its totient is φ = 132004740.

The previous prime is 396098603. The next prime is 396098693. The reversal of 396098658 is 856890693.

It can be written as a sum of positive squares in only one way, i.e., 198049329 + 198049329 = 14073^2 + 14073^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14073.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82093 + ... + 86783.

Almost surely, 2^396098658 is an apocalyptic number.

396098658 is an abundant number, since it is smaller than the sum of its proper divisors (462298089).

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

396098658 is an frugal number, since it uses more digits than its factorization.

396098658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9390 (or 4696 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 396098658 is about 19902.2274632766. The cubic root of 396098658 is about 734.4030249103.

The spelling of 396098658 in words is "three hundred ninety-six million, ninety-eight thousand, six hundred fifty-eight".