1098946916 has 24 divisors (see below), whose sum is σ = 1980166776. Its totient is φ = 533260800.

The previous prime is 1098946913. The next prime is 1098946939. The reversal of 1098946916 is 6196498901.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 619512100 + 479434816 = 24890^2 + 21896^2 .

It is a super-2 number, since 2×1098946916² = 2415368648371822112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1098946913) 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, 50090 + ... + 68606.

It is an arithmetic number, because the mean of its divisors is an integer number (82506949).

Almost surely, 2^1098946916 is an apocalyptic number.

It is an amenable number.

1098946916 is a deficient number, since it is larger than the sum of its proper divisors (881219860).

1098946916 is a wasteful number, since it uses less digits than its factorization.

1098946916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18959 (or 18957 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 1098946916 is about 33150.3682634145. The cubic root of 1098946916 is about 1031.9505928012.

The spelling of 1098946916 in words is "one billion, ninety-eight million, nine hundred forty-six thousand, nine hundred sixteen".