1098579144 has 64 divisors (see below), whose sum is σ = 2961100800. Its totient is φ = 337637376.

The previous prime is 1098579127. The next prime is 1098579169. The reversal of 1098579144 is 4419758901.

It is a super-2 number, since 2×1098579144² = 2413752271263545472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1098579093 and 1098579102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397672 + ... + 400424.

It is an arithmetic number, because the mean of its divisors is an integer number (46267200).

Almost surely, 2^1098579144 is an apocalyptic number.

It is an amenable number.

1098579144 is an abundant number, since it is smaller than the sum of its proper divisors (1862521656).

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

1098579144 is a wasteful number, since it uses less digits than its factorization.

1098579144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054 (or 4050 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 1098579144 is about 33144.8207718793. The cubic root of 1098579144 is about 1031.8354629217.

The spelling of 1098579144 in words is "one billion, ninety-eight million, five hundred seventy-nine thousand, one hundred forty-four".