4257209398 has 32 divisors (see below), whose sum is σ = 7010176320. Its totient is φ = 1927013760.

The previous prime is 4257209389. The next prime is 4257209419. The reversal of 4257209398 is 8939027524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565636 + ... + 573112.

It is an arithmetic number, because the mean of its divisors is an integer number (219068010).

Almost surely, 2^4257209398 is an apocalyptic number.

4257209398 is a deficient number, since it is larger than the sum of its proper divisors (2752966922).

4257209398 is a wasteful number, since it uses less digits than its factorization.

4257209398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 4257209398 is about 65247.2941814448. The cubic root of 4257209398 is about 1620.7212911087.

The spelling of 4257209398 in words is "four billion, two hundred fifty-seven million, two hundred nine thousand, three hundred ninety-eight".