3801951 has 8 divisors (see below), whose sum is σ = 5632560. Its totient is φ = 2534616.

The previous prime is 3801949. The next prime is 3801953. The reversal of 3801951 is 1591083.

It is an interprime number because it is at equal distance from previous prime (3801949) and next prime (3801953).

It is not a de Polignac number, because 3801951 - 2¹ = 3801949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 140813 = 3801951 / (3 + 8 + 0 + 1 + 9 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801953) 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, 70380 + ... + 70433.

It is an arithmetic number, because the mean of its divisors is an integer number (704070).

Almost surely, 2^3801951 is an apocalyptic number.

3801951 is a deficient number, since it is larger than the sum of its proper divisors (1830609).

3801951 is a wasteful number, since it uses less digits than its factorization.

3801951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140822 (or 140816 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 3801951 is about 1949.8592256878. The cubic root of 3801951 is about 156.0757767950.

The spelling of 3801951 in words is "three million, eight hundred one thousand, nine hundred fifty-one".