3954247 has 4 divisors (see below), whose sum is σ = 4313736. Its totient is φ = 3594760.

The previous prime is 3954241. The next prime is 3954253. The reversal of 3954247 is 7424593.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3954241) and next prime (3954253).

It is a cyclic number.

It is not a de Polignac number, because 3954247 - 2¹¹ = 3952199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179728 + ... + 179749.

It is an arithmetic number, because the mean of its divisors is an integer number (1078434).

Almost surely, 2^3954247 is an apocalyptic number.

3954247 is a deficient number, since it is larger than the sum of its proper divisors (359489).

3954247 is a wasteful number, since it uses less digits than its factorization.

3954247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359488.

The product of its digits is 30240, while the sum is 34.

The square root of 3954247 is about 1988.5288531978. The cubic root of 3954247 is about 158.1325464692.

The spelling of 3954247 in words is "three million, nine hundred fifty-four thousand, two hundred forty-seven".