1945955 has 8 divisors (see below), whose sum is σ = 2547504. Its totient is φ = 1415200.

The previous prime is 1945943. The next prime is 1945969. The reversal of 1945955 is 5595491.

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

It is not a de Polignac number, because 1945955 - 2⁶ = 1945891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17636 + ... + 17745.

It is an arithmetic number, because the mean of its divisors is an integer number (318438).

2^1945955 is an apocalyptic number.

1945955 is a deficient number, since it is larger than the sum of its proper divisors (601549).

1945955 is a wasteful number, since it uses less digits than its factorization.

1945955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35397.

The product of its digits is 40500, while the sum is 38.

The square root of 1945955 is about 1394.9749101686. The cubic root of 1945955 is about 124.8468524432.

The spelling of 1945955 in words is "one million, nine hundred forty-five thousand, nine hundred fifty-five".