1934545 has 8 divisors (see below), whose sum is σ = 2384424. Its totient is φ = 1505664.

The previous prime is 1934539. The next prime is 1934563. The reversal of 1934545 is 5454391.

1934545 = 983² + 984².

It can be written as a sum of positive squares in 4 ways, for example, as 966289 + 968256 = 983^2 + 984^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1934545 - 2⁷ = 1934417 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, 5044 + ... + 5413.

It is an arithmetic number, because the mean of its divisors is an integer number (298053).

2^1934545 is an apocalyptic number.

1934545 is the 984-th centered square number.

It is an amenable number.

1934545 is a deficient number, since it is larger than the sum of its proper divisors (449879).

1934545 is a wasteful number, since it uses less digits than its factorization.

1934545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10499.

The product of its digits is 10800, while the sum is 31.

The square root of 1934545 is about 1390.8792183364. The cubic root of 1934545 is about 124.6023630870.

The spelling of 1934545 in words is "one million, nine hundred thirty-four thousand, five hundred forty-five".