3977390 has 16 divisors (see below), whose sum is σ = 7471008. Its totient is φ = 1521696.

The previous prime is 3977387. The next prime is 3977401. The reversal of 3977390 is 937793.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8417 + ... + 8876.

It is an arithmetic number, because the mean of its divisors is an integer number (466938).

Almost surely, 2^3977390 is an apocalyptic number.

3977390 is a deficient number, since it is larger than the sum of its proper divisors (3493618).

3977390 is a wasteful number, since it uses less digits than its factorization.

3977390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17323.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 3977390 is about 1994.3394896557. The cubic root of 3977390 is about 158.4404470649.

The spelling of 3977390 in words is "three million, nine hundred seventy-seven thousand, three hundred ninety".