1850961 has 16 divisors (see below), whose sum is σ = 2969600. Its totient is φ = 1001808.

The previous prime is 1850951. The next prime is 1850969. The reversal of 1850961 is 1690581.

It is a happy number.

It is not a de Polignac number, because 1850961 - 2¹³ = 1842769 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is the 1361-st Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1850969) by changing a digit.

It is a nontrivial repunit in base 1360.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (185600).

2^1850961 is an apocalyptic number.

It is an amenable number.

1850961 is a deficient number, since it is larger than the sum of its proper divisors (1118639).

1850961 is a wasteful number, since it uses less digits than its factorization.

1850961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1850961 is about 1360.5002756339. The cubic root of 1850961 is about 122.7813552385.

The spelling of 1850961 in words is "one million, eight hundred fifty thousand, nine hundred sixty-one".