698723412 has 12 divisors (see below), whose sum is σ = 1630354656. Its totient is φ = 232907800.

The previous prime is 698723411. The next prime is 698723437. The reversal of 698723412 is 214327896.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698723411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29113464 + ... + 29113487.

It is an arithmetic number, because the mean of its divisors is an integer number (135862888).

Almost surely, 2^698723412 is an apocalyptic number.

It is an amenable number.

698723412 is an abundant number, since it is smaller than the sum of its proper divisors (931631244).

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

698723412 is a wasteful number, since it uses less digits than its factorization.

698723412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58226958 (or 58226956 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 698723412 is about 26433.3768557859. The cubic root of 698723412 is about 887.3639172956.

The spelling of 698723412 in words is "six hundred ninety-eight million, seven hundred twenty-three thousand, four hundred twelve".