1493451 has 8 divisors (see below), whose sum is σ = 2212560. Its totient is φ = 995616.

The previous prime is 1493449. The next prime is 1493461. The reversal of 1493451 is 1543941.

It is not a de Polignac number, because 1493451 - 2¹ = 1493449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 55313 = 1493451 / (1 + 4 + 9 + 3 + 4 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (1493441) 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, 27630 + ... + 27683.

It is an arithmetic number, because the mean of its divisors is an integer number (276570).

2^1493451 is an apocalyptic number.

1493451 is a deficient number, since it is larger than the sum of its proper divisors (719109).

1493451 is an equidigital number, since it uses as much as digits as its factorization.

1493451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55322 (or 55316 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1493451 is about 1222.0683286952. The cubic root of 1493451 is about 114.3045871362.

It can be divided in two parts, 149 and 3451, that added together give a square (3600 = 60²).

The spelling of 1493451 in words is "one million, four hundred ninety-three thousand, four hundred fifty-one".