698648920 has 32 divisors (see below), whose sum is σ = 1640308320. Its totient is φ = 267308800.

The previous prime is 698648861. The next prime is 698648927. The reversal of 698648920 is 29846896.

It is a super-2 number, since 2×698648920² = 976220626834332800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698648927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378781 + ... + 380620.

It is an arithmetic number, because the mean of its divisors is an integer number (51259635).

Almost surely, 2^698648920 is an apocalyptic number.

It is an amenable number.

698648920 is an abundant number, since it is smaller than the sum of its proper divisors (941659400).

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

698648920 is a wasteful number, since it uses less digits than its factorization.

698648920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759435 (or 759431 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 698648920 is about 26431.9677663242. The cubic root of 698648920 is about 887.3323817547.

The spelling of 698648920 in words is "six hundred ninety-eight million, six hundred forty-eight thousand, nine hundred twenty".