1493554 has 4 divisors (see below), whose sum is σ = 2240334. Its totient is φ = 746776.

The previous prime is 1493539. The next prime is 1493563. The reversal of 1493554 is 4553941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4553941 = 7 ⋅650563.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 342225 = 1073^2 + 585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373387 + ... + 373390.

2^1493554 is an apocalyptic number.

1493554 is a deficient number, since it is larger than the sum of its proper divisors (746780).

1493554 is an equidigital number, since it uses as much as digits as its factorization.

1493554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746779.

The product of its digits is 10800, while the sum is 31.

The square root of 1493554 is about 1222.1104696385. The cubic root of 1493554 is about 114.3072148537.

The spelling of 1493554 in words is "one million, four hundred ninety-three thousand, five hundred fifty-four".