1098737 has 2 divisors, whose sum is σ = 1098738. Its totient is φ = 1098736.

The previous prime is 1098731. The next prime is 1098787. The reversal of 1098737 is 7378901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 80656 = 1009^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098737 - 2⁶ = 1098673 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098697 and 1098706.

It is not a weakly prime, because it can be changed into another prime (1098731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549368 + 549369.

It is an arithmetic number, because the mean of its divisors is an integer number (549369).

2^1098737 is an apocalyptic number.

It is an amenable number.

1098737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098737 is an equidigital number, since it uses as much as digits as its factorization.

1098737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1098737 is about 1048.2065636123. The cubic root of 1098737 is about 103.1884882398.

The spelling of 1098737 in words is "one million, ninety-eight thousand, seven hundred thirty-seven".