4007197 has 4 divisors (see below), whose sum is σ = 4020156. Its totient is φ = 3994240.

The previous prime is 4007183. The next prime is 4007207. The reversal of 4007197 is 7917004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63001 + 3944196 = 251^2 + 1986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4007197 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 (4007147) 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, 6004 + ... + 6637.

It is an arithmetic number, because the mean of its divisors is an integer number (1005039).

Almost surely, 2^4007197 is an apocalyptic number.

It is an amenable number.

4007197 is a deficient number, since it is larger than the sum of its proper divisors (12959).

4007197 is a wasteful number, since it uses less digits than its factorization.

4007197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12958.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 4007197 is about 2001.7984414021. The cubic root of 4007197 is about 158.8352525331.

It can be divided in two parts, 400 and 7197, that multiplied together give a triangular number (2878800 = T₂₃₉₉).

The spelling of 4007197 in words is "four million, seven thousand, one hundred ninety-seven".