3951761 has 8 divisors (see below), whose sum is σ = 4384800. Its totient is φ = 3531040.

The previous prime is 3951749. The next prime is 3951767. The reversal of 3951761 is 1671593.

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

It is a cyclic number.

It is not a de Polignac number, because 3951761 - 2¹⁸ = 3689617 is a prime.

It is a super-2 number, since 2×3951761² = 31232830002242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3951767) 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, 2396 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (548100).

Almost surely, 2^3951761 is an apocalyptic number.

It is an amenable number.

3951761 is a deficient number, since it is larger than the sum of its proper divisors (433039).

3951761 is a wasteful number, since it uses less digits than its factorization.

3951761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159.

The product of its digits is 5670, while the sum is 32.

The square root of 3951761 is about 1987.9036696983. The cubic root of 3951761 is about 158.0994006792.

The spelling of 3951761 in words is "three million, nine hundred fifty-one thousand, seven hundred sixty-one".