698667354 has 192 divisors, whose sum is σ = 2036136960. Its totient is φ = 167650560.

The previous prime is 698667349. The next prime is 698667383. The reversal of 698667354 is 453766896.

It is a super-2 number, since 2×698667354² = 976272143090722632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 698667354.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1132054 + ... + 1132670.

It is an arithmetic number, because the mean of its divisors is an integer number (10604880).

Almost surely, 2^698667354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698667354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018068480).

698667354 is an abundant number, since it is smaller than the sum of its proper divisors (1337469606).

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

698667354 is a wasteful number, since it uses less digits than its factorization.

698667354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 702 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 698667354 is about 26432.3164705631. The cubic root of 698667354 is about 887.3401858371.

The spelling of 698667354 in words is "six hundred ninety-eight million, six hundred sixty-seven thousand, three hundred fifty-four".