306898401 has 4 divisors (see below), whose sum is σ = 409197872. Its totient is φ = 204598932.

The previous prime is 306898373. The next prime is 306898409. The reversal of 306898401 is 104898603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 306898401 - 2⁵ = 306898369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 306898401.

It is not an unprimeable number, because it can be changed into a prime (306898409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51149731 + ... + 51149736.

It is an arithmetic number, because the mean of its divisors is an integer number (102299468).

Almost surely, 2^306898401 is an apocalyptic number.

It is an amenable number.

306898401 is a deficient number, since it is larger than the sum of its proper divisors (102299471).

306898401 is a wasteful number, since it uses less digits than its factorization.

306898401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102299470.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 306898401 is about 17518.5159474197. The cubic root of 306898401 is about 674.5252453137.

The spelling of 306898401 in words is "three hundred six million, eight hundred ninety-eight thousand, four hundred one".