1098885372 has 48 divisors (see below), whose sum is σ = 2923738272. Its totient is φ = 318228480.

The previous prime is 1098885343. The next prime is 1098885373. The reversal of 1098885372 is 2735888901.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098885373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204529 + ... + 209832.

It is an arithmetic number, because the mean of its divisors is an integer number (60911214).

Almost surely, 2^1098885372 is an apocalyptic number.

1098885372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1098885372 is an abundant number, since it is smaller than the sum of its proper divisors (1824852900).

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

1098885372 is a wasteful number, since it uses less digits than its factorization.

1098885372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414398 (or 414396 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 1098885372 is about 33149.4399952699. The cubic root of 1098885372 is about 1031.9313284334.

The spelling of 1098885372 in words is "one billion, ninety-eight million, eight hundred eighty-five thousand, three hundred seventy-two".