3972274 has 4 divisors (see below), whose sum is σ = 5958414. Its totient is φ = 1986136.

The previous prime is 3972263. The next prime is 3972301. The reversal of 3972274 is 4722793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4722793 = 1327 ⋅3559.

It can be written as a sum of positive squares in only one way, i.e., 3972049 + 225 = 1993^2 + 15^2 .

It is a d-powerful number, because it can be written as 3⁴ + 9 + 7⁴ + 2⁹ + 2²¹ + 7⁷ + 4¹⁰ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993067 + ... + 993070.

Almost surely, 2^3972274 is an apocalyptic number.

3972274 is a deficient number, since it is larger than the sum of its proper divisors (1986140).

3972274 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 3972274 = (2273479)₁₁.

3972274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986139.

The product of its digits is 21168, while the sum is 34.

The square root of 3972274 is about 1993.0564467671. The cubic root of 3972274 is about 158.3724854855.

The spelling of 3972274 in words is "three million, nine hundred seventy-two thousand, two hundred seventy-four".