3973019 has 8 divisors (see below), whose sum is σ = 4249440. Its totient is φ = 3701376.

The previous prime is 3973009. The next prime is 3973027. The reversal of 3973019 is 9103793.

3973019 = 23² + 24² + ... + 228².

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-3973019 is a prime.

It is a super-2 number, since 2×3973019² = 31569759948722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (531180).

Almost surely, 2^3973019 is an apocalyptic number.

3973019 is a deficient number, since it is larger than the sum of its proper divisors (276421).

3973019 is a wasteful number, since it uses less digits than its factorization.

3973019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 3973019 is about 1993.2433368759. The cubic root of 3973019 is about 158.3823857867.

The spelling of 3973019 in words is "three million, nine hundred seventy-three thousand, nineteen".