698406424 has 8 divisors (see below), whose sum is σ = 1309512060. Its totient is φ = 349203208.

The previous prime is 698406383. The next prime is 698406469. The reversal of 698406424 is 424604896.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43650394 + ... + 43650409.

Almost surely, 2^698406424 is an apocalyptic number.

It is an amenable number.

698406424 is a deficient number, since it is larger than the sum of its proper divisors (611105636).

698406424 is a wasteful number, since it uses less digits than its factorization.

698406424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87300809 (or 87300805 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 698406424 is about 26427.3801955472. The cubic root of 698406424 is about 887.2297076518.

The spelling of 698406424 in words is "six hundred ninety-eight million, four hundred six thousand, four hundred twenty-four".