698495004 has 72 divisors (see below), whose sum is σ = 1846484640. Its totient is φ = 222216192.

The previous prime is 698494969. The next prime is 698495023. The reversal of 698495004 is 400594896.

It is a happy number.

698495004 is a `hidden beast` number, since 69 + 84 + 9 + 500 + 4 = 666.

It is a super-2 number, since 2×698495004² = 975790541225920032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636184 + ... + 637280.

It is an arithmetic number, because the mean of its divisors is an integer number (25645620).

Almost surely, 2^698495004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698495004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923242320).

698495004 is an abundant number, since it is smaller than the sum of its proper divisors (1147989636).

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

698495004 is a wasteful number, since it uses less digits than its factorization.

698495004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 698495004 is about 26429.0560557883. The cubic root of 698495004 is about 887.2672156522.

The spelling of 698495004 in words is "six hundred ninety-eight million, four hundred ninety-five thousand, four".