1606481 has 4 divisors (see below), whose sum is σ = 1676352. Its totient is φ = 1536612.

The previous prime is 1606463. The next prime is 1606487. The reversal of 1606481 is 1846061.

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: 1846061 = 7 ⋅263723.

It is a cyclic number.

It is not a de Polignac number, because 1606481 - 2¹⁸ = 1344337 is a prime.

It is a super-2 number, since 2×1606481² = 5161562406722, 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 1606481.

It is not an unprimeable number, because it can be changed into a prime (1606487) 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, 34901 + ... + 34946.

It is an arithmetic number, because the mean of its divisors is an integer number (419088).

2^1606481 is an apocalyptic number.

It is an amenable number.

1606481 is a deficient number, since it is larger than the sum of its proper divisors (69871).

1606481 is an equidigital number, since it uses as much as digits as its factorization.

1606481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69870.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1606481 is about 1267.4703152342. The cubic root of 1606481 is about 117.1184181050.

The spelling of 1606481 in words is "one million, six hundred six thousand, four hundred eighty-one".