698720248 has 8 divisors (see below), whose sum is σ = 1310100480. Its totient is φ = 349360120.

The previous prime is 698720233. The next prime is 698720249. The reversal of 698720248 is 842027896.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 698720198 and 698720207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698720249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43670008 + ... + 43670023.

It is an arithmetic number, because the mean of its divisors is an integer number (163762560).

Almost surely, 2^698720248 is an apocalyptic number.

It is an amenable number.

698720248 is a deficient number, since it is larger than the sum of its proper divisors (611380232).

698720248 is a wasteful number, since it uses less digits than its factorization.

698720248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87340037 (or 87340033 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 698720248 is about 26433.3170071408. The cubic root of 698720248 is about 887.3625778892.

The spelling of 698720248 in words is "six hundred ninety-eight million, seven hundred twenty thousand, two hundred forty-eight".