1098253390 has 32 divisors (see below), whose sum is σ = 2240975520. Its totient is φ = 384165504.

The previous prime is 1098253357. The next prime is 1098253421. The reversal of 1098253390 is 933528901.

1098253390 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 219849 + ... + 224788.

It is an arithmetic number, because the mean of its divisors is an integer number (70030485).

Almost surely, 2^1098253390 is an apocalyptic number.

1098253390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1098253390 is an abundant number, since it is smaller than the sum of its proper divisors (1142722130).

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

1098253390 is a wasteful number, since it uses less digits than its factorization.

1098253390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444676.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1098253390 is about 33139.9063064457. The cubic root of 1098253390 is about 1031.7334651853.

The spelling of 1098253390 in words is "one billion, ninety-eight million, two hundred fifty-three thousand, three hundred ninety".