698394026 has 16 divisors (see below), whose sum is σ = 1150400448. Its totient is φ = 315348000.

The previous prime is 698393999. The next prime is 698394043. The reversal of 698394026 is 620493896.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 101795 + ... + 108438.

It is an arithmetic number, because the mean of its divisors is an integer number (71900028).

Almost surely, 2^698394026 is an apocalyptic number.

698394026 is a deficient number, since it is larger than the sum of its proper divisors (452006422).

698394026 is a wasteful number, since it uses less digits than its factorization.

698394026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210397.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 698394026 is about 26427.1456271766. The cubic root of 698394026 is about 887.2244576338.

The spelling of 698394026 in words is "six hundred ninety-eight million, three hundred ninety-four thousand, twenty-six".