1098969446 has 16 divisors (see below), whose sum is σ = 1658527728. Its totient is φ = 546134400.

The previous prime is 1098969427. The next prime is 1098969461. The reversal of 1098969446 is 6449698901.

It is a super-4 number, since 4×1098969446⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1098969391 and 1098969400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434666 + ... + 437186.

It is an arithmetic number, because the mean of its divisors is an integer number (103657983).

Almost surely, 2^1098969446 is an apocalyptic number.

1098969446 is a deficient number, since it is larger than the sum of its proper divisors (559558282).

1098969446 is a wasteful number, since it uses less digits than its factorization.

1098969446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 1098969446 is about 33150.7080769024. The cubic root of 1098969446 is about 1031.9576449125.

The spelling of 1098969446 in words is "one billion, ninety-eight million, nine hundred sixty-nine thousand, four hundred forty-six".