698396220 has 36 divisors (see below), whose sum is σ = 2118469080. Its totient is φ = 186238944.

The previous prime is 698396213. The next prime is 698396221. The reversal of 698396220 is 22693896.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×698396220² = 975514560220576800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698396221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1939810 + ... + 1940169.

Almost surely, 2^698396220 is an apocalyptic number.

698396220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

698396220 is an abundant number, since it is smaller than the sum of its proper divisors (1420072860).

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

698396220 is a wasteful number, since it uses less digits than its factorization.

698396220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879994 (or 3879989 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 698396220 is about 26427.1871374916. The cubic root of 698396220 is about 887.2253867026.

The spelling of 698396220 in words is "six hundred ninety-eight million, three hundred ninety-six thousand, two hundred twenty".