698867449 has 12 divisors (see below), whose sum is σ = 826750800. Its totient is φ = 588873768.

The previous prime is 698867437. The next prime is 698867461. The reversal of 698867449 is 944768896.

It is an interprime number because it is at equal distance from previous prime (698867437) and next prime (698867461).

It is not a de Polignac number, because 698867449 - 2²⁷ = 564649721 is a prime.

It is a super-2 number, since 2×698867449² = 976831422543535202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698867149) 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, 117979 + ... + 123760.

It is an arithmetic number, because the mean of its divisors is an integer number (68895900).

Almost surely, 2^698867449 is an apocalyptic number.

It is an amenable number.

698867449 is a deficient number, since it is larger than the sum of its proper divisors (127883351).

698867449 is a wasteful number, since it uses less digits than its factorization.

698867449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241812 (or 241805 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The square root of 698867449 is about 26436.1012443212. The cubic root of 698867449 is about 887.4248877515.

The spelling of 698867449 in words is "six hundred ninety-eight million, eight hundred sixty-seven thousand, four hundred forty-nine".