3801761 has 4 divisors (see below), whose sum is σ = 4025412. Its totient is φ = 3578112.

The previous prime is 3801757. The next prime is 3801769. The reversal of 3801761 is 1671083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1671083 = 17 ⋅98299.

It can be written as a sum of positive squares in 2 ways, for example, as 1380625 + 2421136 = 1175^2 + 1556^2 .

It is a cyclic number.

It is not a de Polignac number, because 3801761 - 2² = 3801757 is a prime.

It is a super-2 number, since 2×3801761² = 28906773402242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3801761.

It is not an unprimeable number, because it can be changed into a prime (3801769) 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, 111800 + ... + 111833.

It is an arithmetic number, because the mean of its divisors is an integer number (1006353).

Almost surely, 2^3801761 is an apocalyptic number.

It is an amenable number.

3801761 is a deficient number, since it is larger than the sum of its proper divisors (223651).

3801761 is a wasteful number, since it uses less digits than its factorization.

3801761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223650.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 3801761 is about 1949.8105036131. The cubic root of 3801761 is about 156.0731768236.

The spelling of 3801761 in words is "three million, eight hundred one thousand, seven hundred sixty-one".