3765401 has 4 divisors (see below), whose sum is σ = 3963600. Its totient is φ = 3567204.

The previous prime is 3765397. The next prime is 3765409. The reversal of 3765401 is 1045673.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1045673 = 683 ⋅1531.

It is a cyclic number.

It is not a de Polignac number, because 3765401 - 2² = 3765397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3765409) 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, 99071 + ... + 99108.

It is an arithmetic number, because the mean of its divisors is an integer number (990900).

Almost surely, 2^3765401 is an apocalyptic number.

It is an amenable number.

3765401 is a deficient number, since it is larger than the sum of its proper divisors (198199).

3765401 is a wasteful number, since it uses less digits than its factorization.

3765401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198198.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 3765401 is about 1940.4641197404. The cubic root of 3765401 is about 155.5740214095.

The spelling of 3765401 in words is "three million, seven hundred sixty-five thousand, four hundred one".