3973769 has 4 divisors (see below), whose sum is σ = 3977796. Its totient is φ = 3969744.

The previous prime is 3973757. The next prime is 3973787. The reversal of 3973769 is 9673793.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9673793 = 19 ⋅509147.

It can be written as a sum of positive squares in 2 ways, for example, as 1452025 + 2521744 = 1205^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 3973769 - 2¹² = 3969673 is a prime.

It is a super-2 number, since 2×3973769² = 31581680130722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3973729) 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, 587 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (994449).

Almost surely, 2^3973769 is an apocalyptic number.

It is an amenable number.

3973769 is a deficient number, since it is larger than the sum of its proper divisors (4027).

3973769 is a wasteful number, since it uses less digits than its factorization.

3973769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026.

The product of its digits is 214326, while the sum is 44.

The square root of 3973769 is about 1993.4314635823. The cubic root of 3973769 is about 158.3923512827.

The spelling of 3973769 in words is "three million, nine hundred seventy-three thousand, seven hundred sixty-nine".