3801551 has 4 divisors (see below), whose sum is σ = 4093992. Its totient is φ = 3509112.

The previous prime is 3801541. The next prime is 3801571. The reversal of 3801551 is 1551083.

3801551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3801551 - 2⁶ = 3801487 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 (3801541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146201 + ... + 146226.

It is an arithmetic number, because the mean of its divisors is an integer number (1023498).

Almost surely, 2^3801551 is an apocalyptic number.

3801551 is a deficient number, since it is larger than the sum of its proper divisors (292441).

3801551 is a wasteful number, since it uses less digits than its factorization.

3801551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292440.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 3801551 is about 1949.7566514824. The cubic root of 3801551 is about 156.0703030702.

The spelling of 3801551 in words is "three million, eight hundred one thousand, five hundred fifty-one".