1018834 has 4 divisors (see below), whose sum is σ = 1528254. Its totient is φ = 509416.

The previous prime is 1018817. The next prime is 1018859. The reversal of 1018834 is 4388101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4388101 = 23 ⋅190787.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 199809 = 905^2 + 447^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1018799 and 1018808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254707 + ... + 254710.

2^1018834 is an apocalyptic number.

1018834 is a deficient number, since it is larger than the sum of its proper divisors (509420).

1018834 is an equidigital number, since it uses as much as digits as its factorization.

1018834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509419.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1018834 is about 1009.3730727536. The cubic root of 1018834 is about 100.6238994003.

The spelling of 1018834 in words is "one million, eighteen thousand, eight hundred thirty-four".