698739039 has 12 divisors (see below), whose sum is σ = 1041847872. Its totient is φ = 450799200.

The previous prime is 698739037. The next prime is 698739059. The reversal of 698739039 is 930937896.

It is not a de Polignac number, because 698739039 - 2¹ = 698739037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698739037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1251942 + ... + 1252499.

It is an arithmetic number, because the mean of its divisors is an integer number (86820656).

Almost surely, 2^698739039 is an apocalyptic number.

698739039 is a deficient number, since it is larger than the sum of its proper divisors (343108833).

698739039 is a wasteful number, since it uses less digits than its factorization.

698739039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504478 (or 2504475 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 698739039 is about 26433.6724463325. The cubic root of 698739039 is about 887.3705325658.

The spelling of 698739039 in words is "six hundred ninety-eight million, seven hundred thirty-nine thousand, thirty-nine".