698423740 has 24 divisors (see below), whose sum is σ = 1676217312. Its totient is φ = 239459520.

The previous prime is 698423723. The next prime is 698423741. The reversal of 698423740 is 47324896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698423741) 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, 2494231 + ... + 2494510.

It is an arithmetic number, because the mean of its divisors is an integer number (69842388).

Almost surely, 2^698423740 is an apocalyptic number.

It is an amenable number.

698423740 is an abundant number, since it is smaller than the sum of its proper divisors (977793572).

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

698423740 is a wasteful number, since it uses less digits than its factorization.

698423740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988757 (or 4988755 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 698423740 is about 26427.7078082833. The cubic root of 698423740 is about 887.2370401267.

The spelling of 698423740 in words is "six hundred ninety-eight million, four hundred twenty-three thousand, seven hundred forty".