1098913926 has 32 divisors (see below), whose sum is σ = 2418864768. Its totient is φ = 330055040.

The previous prime is 1098913919. The next prime is 1098913927. The reversal of 1098913926 is 6293198901.

It is a super-2 number, since 2×1098913926² = 2415223633513466952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098913927) 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, 66216 + ... + 81131.

It is an arithmetic number, because the mean of its divisors is an integer number (75589524).

Almost surely, 2^1098913926 is an apocalyptic number.

1098913926 is an abundant number, since it is smaller than the sum of its proper divisors (1319950842).

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

1098913926 is a wasteful number, since it uses less digits than its factorization.

1098913926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147476.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 1098913926 is about 33149.8706784808. The cubic root of 1098913926 is about 1031.9402664332.

The spelling of 1098913926 in words is "one billion, ninety-eight million, nine hundred thirteen thousand, nine hundred twenty-six".