698500440 has 96 divisors (see below), whose sum is σ = 2476515600. Its totient is φ = 169332480.

The previous prime is 698500367. The next prime is 698500441. The reversal of 698500440 is 44005896.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 698500395 and 698500404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698500441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84235 + ... + 92154.

Almost surely, 2^698500440 is an apocalyptic number.

698500440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

698500440 is an abundant number, since it is smaller than the sum of its proper divisors (1778015160).

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

698500440 is a wasteful number, since it uses less digits than its factorization.

698500440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176417 (or 176410 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 698500440 is about 26429.1588969456. The cubic root of 698500440 is about 887.2695173494.

The spelling of 698500440 in words is "six hundred ninety-eight million, five hundred thousand, four hundred forty".