698715040 has 24 divisors (see below), whose sum is σ = 1650714660. Its totient is φ = 279485952.

The previous prime is 698714963. The next prime is 698715077. The reversal of 698715040 is 40517896.

It can be written as a sum of positive squares in 2 ways, for example, as 644956816 + 53758224 = 25396^2 + 7332^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 698714984 and 698715002.

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 3 ways as a sum of consecutive naturals, for example, 2183325 + ... + 2183644.

Almost surely, 2^698715040 is an apocalyptic number.

It is an amenable number.

698715040 is an abundant number, since it is smaller than the sum of its proper divisors (951999620).

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

698715040 is a wasteful number, since it uses less digits than its factorization.

698715040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366984 (or 4366976 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 698715040 is about 26433.2184949166. The cubic root of 698715040 is about 887.3603731939.

The spelling of 698715040 in words is "six hundred ninety-eight million, seven hundred fifteen thousand, forty".