3546401 has 4 divisors (see below), whose sum is σ = 3555732. Its totient is φ = 3537072.

The previous prime is 3546397. The next prime is 3546409. The reversal of 3546401 is 1046453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1046453 = 599 ⋅1747.

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 1918225 = 1276^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 3546401 - 2² = 3546397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3546409) 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, 4070 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (888933).

Almost surely, 2^3546401 is an apocalyptic number.

It is an amenable number.

3546401 is a deficient number, since it is larger than the sum of its proper divisors (9331).

3546401 is an equidigital number, since it uses as much as digits as its factorization.

3546401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9330.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3546401 is about 1883.1890505204. The cubic root of 3546401 is about 152.4974612137.

The spelling of 3546401 in words is "three million, five hundred forty-six thousand, four hundred one".