1546401 has 8 divisors (see below), whose sum is σ = 2068000. Its totient is φ = 1027872.

The previous prime is 1546399. The next prime is 1546403. The reversal of 1546401 is 1046451.

It is an interprime number because it is at equal distance from previous prime (1546399) and next prime (1546403).

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

It is not a de Polignac number, because 1546401 - 2¹ = 1546399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1546403) 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, 981 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (258500).

2^1546401 is an apocalyptic number.

It is an amenable number.

1546401 is a deficient number, since it is larger than the sum of its proper divisors (521599).

1546401 is a wasteful number, since it uses less digits than its factorization.

1546401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1546401 is about 1243.5437266136. The cubic root of 1546401 is about 115.6398112022.

It can be divided in two parts, 154 and 6401, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 1546401 in words is "one million, five hundred forty-six thousand, four hundred one".