1491392 has 28 divisors (see below), whose sum is σ = 3383280. Its totient is φ = 638976.

The previous prime is 1491377. The next prime is 1491401. The reversal of 1491392 is 2931941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217 + ... + 2112.

2^1491392 is an apocalyptic number.

It is an amenable number.

1491392 is an abundant number, since it is smaller than the sum of its proper divisors (1891888).

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

1491392 is an equidigital number, since it uses as much as digits as its factorization.

1491392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348 (or 3338 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 1491392 is about 1221.2256138814. The cubic root of 1491392 is about 114.2520329318.

It can be divided in two parts, 14913 and 92, that multiplied together give a triangular number (1371996 = T₁₆₅₆).

The spelling of 1491392 in words is "one million, four hundred ninety-one thousand, three hundred ninety-two".