1098973430 has 32 divisors (see below), whose sum is σ = 2028952800. Its totient is φ = 428327680.

The previous prime is 1098973417. The next prime is 1098973439. The reversal of 1098973430 is 343798901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098973439) 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, 522521 + ... + 524619.

It is an arithmetic number, because the mean of its divisors is an integer number (63404775).

Almost surely, 2^1098973430 is an apocalyptic number.

1098973430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1098973430 is a deficient number, since it is larger than the sum of its proper divisors (929979370).

1098973430 is a wasteful number, since it uses less digits than its factorization.

1098973430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1098973430 is about 33150.7681660622. The cubic root of 1098973430 is about 1031.9588919336.

The spelling of 1098973430 in words is "one billion, ninety-eight million, nine hundred seventy-three thousand, four hundred thirty".