394799098 has 12 divisors (see below), whose sum is σ = 612854190. Its totient is φ = 190519616.

The previous prime is 394799089. The next prime is 394799113. The reversal of 394799098 is 890997493.

It can be written as a sum of positive squares in 3 ways, for example, as 334999809 + 59799289 = 18303^2 + 7733^2 .

It is a super-2 number, since 2×394799098² = 311732655563227208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150018 + ... + 152626.

Almost surely, 2^394799098 is an apocalyptic number.

394799098 is a deficient number, since it is larger than the sum of its proper divisors (218055092).

394799098 is an frugal number, since it uses more digits than its factorization.

394799098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 58.

The square root of 394799098 is about 19869.5520331989. The cubic root of 394799098 is about 733.5989773606.

Multiplying 394799098 by its sum of digits (58), we get a square (22898347684 = 151322²).

394799098 divided by its sum of digits (58) gives a square (6806881 = 2609²).

The spelling of 394799098 in words is "three hundred ninety-four million, seven hundred ninety-nine thousand, ninety-eight".