828390734 has 4 divisors (see below), whose sum is σ = 1242586104. Its totient is φ = 414195366.

The previous prime is 828390733. The next prime is 828390737. The reversal of 828390734 is 437093828.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828390733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207097682 + ... + 207097685.

It is an arithmetic number, because the mean of its divisors is an integer number (310646526).

Almost surely, 2^828390734 is an apocalyptic number.

828390734 is a deficient number, since it is larger than the sum of its proper divisors (414195370).

828390734 is a wasteful number, since it uses less digits than its factorization.

828390734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414195369.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 828390734 is about 28781.7778116641. Note that the first 3 decimals coincide. The cubic root of 828390734 is about 939.1718728789.

The spelling of 828390734 in words is "eight hundred twenty-eight million, three hundred ninety thousand, seven hundred thirty-four".