1098410478 has 64 divisors (see below), whose sum is σ = 2455909632. Its totient is φ = 324679680.

The previous prime is 1098410441. The next prime is 1098410479. The reversal of 1098410478 is 8740148901.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098410479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674301 + ... + 675927.

It is an arithmetic number, because the mean of its divisors is an integer number (38373588).

Almost surely, 2^1098410478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098410478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227954816).

1098410478 is an abundant number, since it is smaller than the sum of its proper divisors (1357499154).

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

1098410478 is a wasteful number, since it uses less digits than its factorization.

1098410478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1098410478 is about 33142.2762947870. The cubic root of 1098410478 is about 1031.7826539613.

The spelling of 1098410478 in words is "one billion, ninety-eight million, four hundred ten thousand, four hundred seventy-eight".