1098384037 has 4 divisors (see below), whose sum is σ = 1104075340. Its totient is φ = 1092692736.

The previous prime is 1098383999. The next prime is 1098384071. The reversal of 1098384037 is 7304838901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7304838901 = 2473 ⋅2953837.

It can be written as a sum of positive squares in 2 ways, for example, as 191711716 + 906672321 = 13846^2 + 30111^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098384037 - 2²³ = 1089995429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1098383984 and 1098384002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098384097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2845362 + ... + 2845747.

It is an arithmetic number, because the mean of its divisors is an integer number (276018835).

Almost surely, 2^1098384037 is an apocalyptic number.

It is an amenable number.

1098384037 is a deficient number, since it is larger than the sum of its proper divisors (5691303).

1098384037 is an equidigital number, since it uses as much as digits as its factorization.

1098384037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691302.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1098384037 is about 33141.8773909988. The cubic root of 1098384037 is about 1031.7743748511.

The spelling of 1098384037 in words is "one billion, ninety-eight million, three hundred eighty-four thousand, thirty-seven".