1945356 has 24 divisors (see below), whose sum is σ = 5187840. Its totient is φ = 555792.

The previous prime is 1945337. The next prime is 1945369. The reversal of 1945356 is 6535491.

It is a happy 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, 11496 + ... + 11663.

It is an arithmetic number, because the mean of its divisors is an integer number (216160).

2^1945356 is an apocalyptic number.

It is an amenable number.

1945356 is an abundant number, since it is smaller than the sum of its proper divisors (3242484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1945356 is a wasteful number, since it uses less digits than its factorization.

1945356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23173 (or 23171 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 1945356 is about 1394.7601944420. The cubic root of 1945356 is about 124.8340410920.

The spelling of 1945356 in words is "one million, nine hundred forty-five thousand, three hundred fifty-six".