698634048 has 56 divisors (see below), whose sum is σ = 2112540352. Its totient is φ = 199609344.

The previous prime is 698634043. The next prime is 698634049. The reversal of 698634048 is 840436896.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 698633988 and 698634006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698634043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258565 + ... + 261252.

Almost surely, 2^698634048 is an apocalyptic number.

It is an amenable number.

698634048 is an abundant number, since it is smaller than the sum of its proper divisors (1413906304).

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

698634048 is a wasteful number, since it uses less digits than its factorization.

698634048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519839 (or 519829 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 698634048 is about 26431.6864388181. The cubic root of 698634048 is about 887.3260855543.

The spelling of 698634048 in words is "six hundred ninety-eight million, six hundred thirty-four thousand, forty-eight".