1205473398 has 16 divisors (see below), whose sum is σ = 2411290416. Its totient is φ = 401767200.

The previous prime is 1205473391. The next prime is 1205473439. The reversal of 1205473398 is 8933745021.

It is a super-2 number, since 2×1205473398² = 2906332226571332808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205473391) 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, 65640 + ... + 81972.

It is an arithmetic number, because the mean of its divisors is an integer number (150705651).

Almost surely, 2^1205473398 is an apocalyptic number.

1205473398 is an abundant number, since it is smaller than the sum of its proper divisors (1205817018).

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

1205473398 is a wasteful number, since it uses less digits than its factorization.

1205473398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28639.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 1205473398 is about 34719.9279665151. The cubic root of 1205473398 is about 1064.2717726581.

The spelling of 1205473398 in words is "one billion, two hundred five million, four hundred seventy-three thousand, three hundred ninety-eight".