1920764 has 12 divisors (see below), whose sum is σ = 3371088. Its totient is φ = 957600.

The previous prime is 1920761. The next prime is 1920769. The reversal of 1920764 is 4670291.

1920764 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a super-4 number, since 4×1920764⁴ (a number of 26 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144 + ... + 2904.

It is an arithmetic number, because the mean of its divisors is an integer number (280924).

2^1920764 is an apocalyptic number.

It is an amenable number.

1920764 is a deficient number, since it is larger than the sum of its proper divisors (1450324).

1920764 is a wasteful number, since it uses less digits than its factorization.

1920764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1920764 is about 1385.9163033892. The cubic root of 1920764 is about 124.3057836467.

The spelling of 1920764 in words is "one million, nine hundred twenty thousand, seven hundred sixty-four".