771934 has 4 divisors (see below), whose sum is σ = 1157904. Its totient is φ = 385966.

The previous prime is 771917. The next prime is 771937. The reversal of 771934 is 439177.

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

It is a junction number, because it is equal to n+sod(n) for n = 771896 and 771905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192982 + ... + 192985.

It is an arithmetic number, because the mean of its divisors is an integer number (289476).

2⁷⁷¹⁹³⁴ is an apocalyptic number.

771934 is a deficient number, since it is larger than the sum of its proper divisors (385970).

771934 is a wasteful number, since it uses less digits than its factorization.

771934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385969.

The product of its digits is 5292, while the sum is 31.

The square root of 771934 is about 878.5977464119. The cubic root of 771934 is about 91.7332379598.

Subtracting from 771934 its sum of digits (31), we obtain a triangular number (771903 = T₁₂₄₂).

The spelling of 771934 in words is "seven hundred seventy-one thousand, nine hundred thirty-four".