770398 has 4 divisors (see below), whose sum is σ = 1155600. Its totient is φ = 385198.

The previous prime is 770387. The next prime is 770401. The reversal of 770398 is 893077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893077 = 163 ⋅5479.

It is a congruent number.

It is an unprimeable number.

770398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192598 + ... + 192601.

It is an arithmetic number, because the mean of its divisors is an integer number (288900).

2⁷⁷⁰³⁹⁸ is an apocalyptic number.

770398 is a deficient number, since it is larger than the sum of its proper divisors (385202).

770398 is a wasteful number, since it uses less digits than its factorization.

770398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385201.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 770398 is about 877.7231909890. The cubic root of 770398 is about 91.6723537335.

The spelling of 770398 in words is "seven hundred seventy thousand, three hundred ninety-eight".