774898 has 4 divisors (see below), whose sum is σ = 1162350. Its totient is φ = 387448.

The previous prime is 774863. The next prime is 774901. The reversal of 774898 is 898477.

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

It can be written as a sum of positive squares in only one way, i.e., 762129 + 12769 = 873^2 + 113^2 .

It is an unprimeable number.

774898 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193723 + ... + 193726.

2⁷⁷⁴⁸⁹⁸ is an apocalyptic number.

774898 is a deficient number, since it is larger than the sum of its proper divisors (387452).

774898 is a wasteful number, since it uses less digits than its factorization.

774898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387451.

The product of its digits is 112896, while the sum is 43.

The square root of 774898 is about 880.2829090696. The cubic root of 774898 is about 91.8504975769.

It can be divided in two parts, 77 and 4898, that multiplied together give a triangular number (377146 = T₈₆₈).

The spelling of 774898 in words is "seven hundred seventy-four thousand, eight hundred ninety-eight".