698408934 has 16 divisors (see below), whose sum is σ = 1397221488. Its totient is φ = 232735712.

The previous prime is 698408923. The next prime is 698408959. The reversal of 698408934 is 439804896.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8644 + ... + 38360.

It is an arithmetic number, because the mean of its divisors is an integer number (87326343).

Almost surely, 2^698408934 is an apocalyptic number.

698408934 is an abundant number, since it is smaller than the sum of its proper divisors (698812554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

698408934 is a wasteful number, since it uses less digits than its factorization.

698408934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33639.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 698408934 is about 26427.4276841315. The cubic root of 698408934 is about 887.2307705210.

The spelling of 698408934 in words is "six hundred ninety-eight million, four hundred eight thousand, nine hundred thirty-four".