1916672 has 18 divisors (see below), whose sum is σ = 3826368. Its totient is φ = 958208.

The previous prime is 1916653. The next prime is 1916687. The reversal of 1916672 is 2766191.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488 + ... + 3999.

It is an arithmetic number, because the mean of its divisors is an integer number (212576).

2^1916672 is an apocalyptic number.

It is an amenable number.

1916672 is a deficient number, since it is larger than the sum of its proper divisors (1909696).

1916672 is an frugal number, since it uses more digits than its factorization.

1916672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503 (or 7489 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 1916672 is about 1384.4392366587. The cubic root of 1916672 is about 124.2174471113.

The spelling of 1916672 in words is "one million, nine hundred sixteen thousand, six hundred seventy-two".