698464 has 48 divisors (see below), whose sum is σ = 1566432. Its totient is φ = 304128.

The previous prime is 698447. The next prime is 698471. The reversal of 698464 is 464896.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9532 + ... + 9604.

It is an arithmetic number, because the mean of its divisors is an integer number (32634).

2⁶⁹⁸⁴⁶⁴ 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 698464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783216).

698464 is an abundant number, since it is smaller than the sum of its proper divisors (867968).

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

698464 is a wasteful number, since it uses less digits than its factorization.

698464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 111 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 698464 is about 835.7415868557. The cubic root of 698464 is about 88.7254087789.

Adding to 698464 its product of digits (41472), we get a triangular number (739936 = T₁₂₁₆).

The spelling of 698464 in words is "six hundred ninety-eight thousand, four hundred sixty-four".