3977674 has 4 divisors (see below), whose sum is σ = 5966514. Its totient is φ = 1988836.

The previous prime is 3977663. The next prime is 3977681. The reversal of 3977674 is 4767793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4767793 = 661 ⋅7213.

It can be written as a sum of positive squares in only one way, i.e., 3972049 + 5625 = 1993^2 + 75^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3977674.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994417 + ... + 994420.

Almost surely, 2^3977674 is an apocalyptic number.

3977674 is a deficient number, since it is larger than the sum of its proper divisors (1988840).

3977674 is a wasteful number, since it uses less digits than its factorization.

3977674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988839.

The product of its digits is 222264, while the sum is 43.

The square root of 3977674 is about 1994.4106899032. The cubic root of 3977674 is about 158.4442180483. Note that the first 3 decimals are identical.

The spelling of 3977674 in words is "three million, nine hundred seventy-seven thousand, six hundred seventy-four".