307398 has 32 divisors (see below), whose sum is σ = 758016. Its totient is φ = 80928.

The previous prime is 307397. The next prime is 307399. The reversal of 307398 is 893703.

It is an interprime number because it is at equal distance from previous prime (307397) and next prime (307399).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 307398.

It is not an unprimeable number, because it can be changed into a prime (307397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265 + ... + 827.

It is an arithmetic number, because the mean of its divisors is an integer number (23688).

2³⁰⁷³⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379008).

307398 is an abundant number, since it is smaller than the sum of its proper divisors (450618).

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

307398 is a wasteful number, since it uses less digits than its factorization.

307398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 307398 is about 554.4348473897. The cubic root of 307398 is about 67.4891066097.

The spelling of 307398 in words is "three hundred seven thousand, three hundred ninety-eight".