898949970 has 48 divisors (see below), whose sum is σ = 2474760600. Its totient is φ = 225618432.

The previous prime is 898949951. The next prime is 898949971. The reversal of 898949970 is 79949898.

898949970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 556440921 + 342509049 = 23589^2 + 18507^2 .

It is a super-2 number, since 2×898949970² = 1616222097126001800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 898949898 and 898949907.

It is not an unprimeable number, because it can be changed into a prime (898949971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292245 + ... + 295304.

Almost surely, 2^898949970 is an apocalyptic number.

898949970 is an abundant number, since it is smaller than the sum of its proper divisors (1575810630).

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

898949970 is a wasteful number, since it uses less digits than its factorization.

898949970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587579 (or 587576 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The square root of 898949970 is about 29982.4943925618. The cubic root of 898949970 is about 965.1137596655.

The spelling of 898949970 in words is "eight hundred ninety-eight million, nine hundred forty-nine thousand, nine hundred seventy".