1098279 has 40 divisors (see below), whose sum is σ = 2032800. Its totient is φ = 575424.

The previous prime is 1098269. The next prime is 1098287. The reversal of 1098279 is 9728901.

It is a happy number.

It is not a de Polignac number, because 1098279 - 2⁷ = 1098151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098269) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7297 + ... + 7445.

It is an arithmetic number, because the mean of its divisors is an integer number (50820).

2^1098279 is an apocalyptic number.

1098279 is a deficient number, since it is larger than the sum of its proper divisors (934521).

1098279 is a wasteful number, since it uses less digits than its factorization.

1098279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1098279 is about 1047.9880724512. The cubic root of 1098279 is about 103.1741484734.

It can be divided in two parts, 10 and 98279, that added together give a palindrome (98289).

The spelling of 1098279 in words is "one million, ninety-eight thousand, two hundred seventy-nine".