3791951 has 4 divisors (see below), whose sum is σ = 3914304. Its totient is φ = 3669600.

The previous prime is 3791933. The next prime is 3791959. The reversal of 3791951 is 1591973.

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 3791951 - 2¹⁸ = 3529807 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 (3791959) 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, 61130 + ... + 61191.

It is an arithmetic number, because the mean of its divisors is an integer number (978576).

Almost surely, 2^3791951 is an apocalyptic number.

3791951 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3791951 is a deficient number, since it is larger than the sum of its proper divisors (122353).

3791951 is a wasteful number, since it uses less digits than its factorization.

3791951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122352.

The product of its digits is 8505, while the sum is 35.

The square root of 3791951 is about 1947.2932496160. The cubic root of 3791951 is about 155.9388183269.

The spelling of 3791951 in words is "three million, seven hundred ninety-one thousand, nine hundred fifty-one".