3967634 has 8 divisors (see below), whose sum is σ = 6492528. Its totient is φ = 1803460.

The previous prime is 3967627. The next prime is 3967651. The reversal of 3967634 is 4367693.

It is a happy number.

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

It is a d-powerful number, because it can be written as 3¹⁰ + 9² + 6⁸ + 7⁵ + 6⁸ + 3¹² + 4⁵ .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90152 + ... + 90195.

It is an arithmetic number, because the mean of its divisors is an integer number (811566).

Almost surely, 2^3967634 is an apocalyptic number.

3967634 is a deficient number, since it is larger than the sum of its proper divisors (2524894).

3967634 is a wasteful number, since it uses less digits than its factorization.

3967634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180360.

The product of its digits is 81648, while the sum is 38.

The square root of 3967634 is about 1991.8920653489. The cubic root of 3967634 is about 158.3107966692.

The spelling of 3967634 in words is "three million, nine hundred sixty-seven thousand, six hundred thirty-four".