1918036 has 6 divisors (see below), whose sum is σ = 3356570. Its totient is φ = 959016.

The previous prime is 1918027. The next prime is 1918067. The reversal of 1918036 is 6308191.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 828100 = 1044^2 + 910^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1917995 and 1918013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239751 + ... + 239758.

2^1918036 is an apocalyptic number.

It is an amenable number.

1918036 is a deficient number, since it is larger than the sum of its proper divisors (1438534).

1918036 is a wasteful number, since it uses less digits than its factorization.

1918036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479513 (or 479511 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1918036 is about 1384.9317672723. The cubic root of 1918036 is about 124.2469065809.

The spelling of 1918036 in words is "one million, nine hundred eighteen thousand, thirty-six".