1851364 has 6 divisors (see below), whose sum is σ = 3239894. Its totient is φ = 925680.

The previous prime is 1851359. The next prime is 1851371. The reversal of 1851364 is 4631581.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 1764 = 1360^2 + 42^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231417 + ... + 231424.

2^1851364 is an apocalyptic number.

It is an amenable number.

1851364 is a deficient number, since it is larger than the sum of its proper divisors (1388530).

1851364 is a wasteful number, since it uses less digits than its factorization.

1851364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462845 (or 462843 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1851364 is about 1360.6483748566. The cubic root of 1851364 is about 122.7902654381.

The spelling of 1851364 in words is "one million, eight hundred fifty-one thousand, three hundred sixty-four".