1551466 has 8 divisors (see below), whose sum is σ = 2659680. Its totient is φ = 664908.

The previous prime is 1551463. The next prime is 1551467. The reversal of 1551466 is 6641551.

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

It is not an unprimeable number, because it can be changed into a prime (1551463) 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, 55396 + ... + 55423.

It is an arithmetic number, because the mean of its divisors is an integer number (332460).

2^1551466 is an apocalyptic number.

1551466 is a deficient number, since it is larger than the sum of its proper divisors (1108214).

1551466 is a wasteful number, since it uses less digits than its factorization.

1551466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110828.

The product of its digits is 3600, while the sum is 28.

The square root of 1551466 is about 1245.5785804196. The cubic root of 1551466 is about 115.7659271171.

The spelling of 1551466 in words is "one million, five hundred fifty-one thousand, four hundred sixty-six".