698649000 has 512 divisors, whose sum is σ = 2803507200. Its totient is φ = 141004800.

The previous prime is 698648969. The next prime is 698649011. The reversal of 698649000 is 946896.

It is a super-2 number, since 2×698649000² = 976220850402000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6782949 + ... + 6783051.

It is an arithmetic number, because the mean of its divisors is an integer number (5475600).

Almost surely, 2^698649000 is an apocalyptic number.

698649000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698649000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401753600).

698649000 is an abundant number, since it is smaller than the sum of its proper divisors (2104858200).

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

698649000 is a wasteful number, since it uses less digits than its factorization.

698649000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 698649000 is about 26431.9692796432. The cubic root of 698649000 is about 887.3324156232.

The spelling of 698649000 in words is "six hundred ninety-eight million, six hundred forty-nine thousand".