1955867 has 8 divisors (see below), whose sum is σ = 2092896. Its totient is φ = 1821312.

The previous prime is 1955839. The next prime is 1955873. The reversal of 1955867 is 7685591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1955867 - 2¹⁶ = 1890331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1955827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (261612).

2^1955867 is an apocalyptic number.

1955867 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1955867 is a deficient number, since it is larger than the sum of its proper divisors (137029).

1955867 is a wasteful number, since it uses less digits than its factorization.

1955867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its digits is 75600, while the sum is 41.

The square root of 1955867 is about 1398.5231496118. The cubic root of 1955867 is about 125.0584686471.

The spelling of 1955867 in words is "one million, nine hundred fifty-five thousand, eight hundred sixty-seven".