1939955 has 16 divisors (see below), whose sum is σ = 2553120. Its totient is φ = 1408512.

The previous prime is 1939939. The next prime is 1939961. The reversal of 1939955 is 5599391.

It is a cyclic number.

It is not a de Polignac number, because 1939955 - 2⁴ = 1939939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (159570).

2^1939955 is an apocalyptic number.

1939955 is a deficient number, since it is larger than the sum of its proper divisors (613165).

1939955 is a wasteful number, since it uses less digits than its factorization.

1939955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

The product of its digits is 54675, while the sum is 41.

The square root of 1939955 is about 1392.8226735662. The cubic root of 1939955 is about 124.7184061154.

The spelling of 1939955 in words is "one million, nine hundred thirty-nine thousand, nine hundred fifty-five".