3977630 has 8 divisors (see below), whose sum is σ = 7159752. Its totient is φ = 1591048.

The previous prime is 3977621. The next prime is 3977639. The reversal of 3977630 is 367793.

It is an interprime number because it is at equal distance from previous prime (3977621) and next prime (3977639).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198872 + ... + 198891.

It is an arithmetic number, because the mean of its divisors is an integer number (894969).

Almost surely, 2^3977630 is an apocalyptic number.

3977630 is a deficient number, since it is larger than the sum of its proper divisors (3182122).

3977630 is a wasteful number, since it uses less digits than its factorization.

3977630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397770.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 3977630 is about 1994.3996590453. The cubic root of 3977630 is about 158.4436338232.

The spelling of 3977630 in words is "three million, nine hundred seventy-seven thousand, six hundred thirty".