698900139 has 48 divisors (see below), whose sum is σ = 1172620800. Its totient is φ = 392895360.

The previous prime is 698900129. The next prime is 698900183. The reversal of 698900139 is 931009896.

It is not a de Polignac number, because 698900139 - 2⁹ = 698899627 is a prime.

It is a super-2 number, since 2×698900139² = 976922808588438642, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 698900094 and 698900103.

It is not an unprimeable number, because it can be changed into a prime (698900129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1341199 + ... + 1341719.

It is an arithmetic number, because the mean of its divisors is an integer number (24429600).

Almost surely, 2^698900139 is an apocalyptic number.

698900139 is a deficient number, since it is larger than the sum of its proper divisors (473720661).

698900139 is a wasteful number, since it uses less digits than its factorization.

698900139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 698900139 is about 26436.7195203944. The cubic root of 698900139 is about 887.4387241699.

The spelling of 698900139 in words is "six hundred ninety-eight million, nine hundred thousand, one hundred thirty-nine".