774398098 has 4 divisors (see below), whose sum is σ = 1161597150. Its totient is φ = 387199048.

The previous prime is 774398083. The next prime is 774398099. The reversal of 774398098 is 890893477.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 774341929 + 56169 = 27827^2 + 237^2 .

It is not an unprimeable number, because it can be changed into a prime (774398099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193599523 + ... + 193599526.

Almost surely, 2^774398098 is an apocalyptic number.

774398098 is a deficient number, since it is larger than the sum of its proper divisors (387199052).

774398098 is a wasteful number, since it uses less digits than its factorization.

774398098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387199051.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 774398098 is about 27828.0092353010. The cubic root of 774398098 is about 918.3074180482.

The spelling of 774398098 in words is "seven hundred seventy-four million, three hundred ninety-eight thousand, ninety-eight".