1491354 has 24 divisors (see below), whose sum is σ = 3343860. Its totient is φ = 479808.

The previous prime is 1491299. The next prime is 1491377. The reversal of 1491354 is 4531941.

It can be written as a sum of positive squares in 2 ways, for example, as 1476225 + 15129 = 1215^2 + 123^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 907 + ... + 1950.

2^1491354 is an apocalyptic number.

1491354 is an abundant number, since it is smaller than the sum of its proper divisors (1852506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1491354 is a wasteful number, since it uses less digits than its factorization.

1491354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2891 counting only the distinct ones).

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

The square root of 1491354 is about 1221.2100556415. The cubic root of 1491354 is about 114.2510625600.

The spelling of 1491354 in words is "one million, four hundred ninety-one thousand, three hundred fifty-four".