3967954 has 24 divisors (see below), whose sum is σ = 6474060. Its totient is φ = 1820448.

The previous prime is 3967913. The next prime is 3967961. The reversal of 3967954 is 4597693.

It can be written as a sum of positive squares in 2 ways, for example, as 3744225 + 223729 = 1935^2 + 473^2 .

It is a super-2 number, since 2×3967954² = 31489317892232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 3967954.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92257 + ... + 92299.

Almost surely, 2^3967954 is an apocalyptic number.

3967954 is a deficient number, since it is larger than the sum of its proper divisors (2506106).

3967954 is a wasteful number, since it uses less digits than its factorization.

3967954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 111 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 3967954 is about 1991.9723893669. The cubic root of 3967954 is about 158.3150526140.

The spelling of 3967954 in words is "three million, nine hundred sixty-seven thousand, nine hundred fifty-four".