4006901 has 8 divisors (see below), whose sum is σ = 4169880. Its totient is φ = 3845632.

The previous prime is 4006879. The next prime is 4006913. The reversal of 4006901 is 1096004.

It can be written as a sum of positive squares in 4 ways, for example, as 358801 + 3648100 = 599^2 + 1910^2 .

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

It is not a de Polignac number, because 4006901 - 2⁶ = 4006837 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6461 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (521235).

Almost surely, 2^4006901 is an apocalyptic number.

It is an amenable number.

4006901 is a deficient number, since it is larger than the sum of its proper divisors (162979).

4006901 is a wasteful number, since it uses less digits than its factorization.

4006901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 4006901 is about 2001.7245065193. The cubic root of 4006901 is about 158.8313415372.

The spelling of 4006901 in words is "four million, six thousand, nine hundred one".