4201397 has 4 divisors (see below), whose sum is σ = 4448556. Its totient is φ = 3954240.

The previous prime is 4201391. The next prime is 4201409. The reversal of 4201397 is 7931024.

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 3740356 + 461041 = 1934^2 + 679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4201397 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 (4201391) 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, 123554 + ... + 123587.

It is an arithmetic number, because the mean of its divisors is an integer number (1112139).

Almost surely, 2^4201397 is an apocalyptic number.

It is an amenable number.

4201397 is a deficient number, since it is larger than the sum of its proper divisors (247159).

4201397 is a wasteful number, since it uses less digits than its factorization.

4201397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247158.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 4201397 is about 2049.7309579552. The cubic root of 4201397 is about 161.3607511894.

The spelling of 4201397 in words is "four million, two hundred one thousand, three hundred ninety-seven".