320763398 has 4 divisors (see below), whose sum is σ = 481145100. Its totient is φ = 160381698.

The previous prime is 320763389. The next prime is 320763407. The reversal of 320763398 is 893367023.

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

It is an interprime number because it is at equal distance from previous prime (320763389) and next prime (320763407).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80190848 + ... + 80190851.

It is an arithmetic number, because the mean of its divisors is an integer number (120286275).

Almost surely, 2^320763398 is an apocalyptic number.

320763398 is a deficient number, since it is larger than the sum of its proper divisors (160381702).

320763398 is a wasteful number, since it uses less digits than its factorization.

320763398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160381701.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 320763398 is about 17909.8687320706. The cubic root of 320763398 is about 684.5338601437.

The spelling of 320763398 in words is "three hundred twenty million, seven hundred sixty-three thousand, three hundred ninety-eight".