1098446 has 8 divisors (see below), whose sum is σ = 1653960. Its totient is φ = 547128.

The previous prime is 1098443. The next prime is 1098451. The reversal of 1098446 is 6448901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1098446² = 2413167229832, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 1508.

It is an arithmetic number, because the mean of its divisors is an integer number (206745).

2^1098446 is an apocalyptic number.

1098446 is a deficient number, since it is larger than the sum of its proper divisors (555514).

1098446 is a wasteful number, since it uses less digits than its factorization.

1098446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1098446 is about 1048.0677459020. The cubic root of 1098446 is about 103.1793776272.

The spelling of 1098446 in words is "one million, ninety-eight thousand, four hundred forty-six".