1653492 has 12 divisors (see below), whose sum is σ = 3858176. Its totient is φ = 551160.

The previous prime is 1653473. The next prime is 1653497. The reversal of 1653492 is 2943561.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653497) 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, 68884 + ... + 68907.

2^1653492 is an apocalyptic number.

1653492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1653492 is an abundant number, since it is smaller than the sum of its proper divisors (2204684).

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

1653492 is a wasteful number, since it uses less digits than its factorization.

1653492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137798 (or 137796 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 1653492 is about 1285.8817986114. The cubic root of 1653492 is about 118.2498774558.

It can be divided in two parts, 1653 and 492, that added together give a triangular number (2145 = T₆₅).

The spelling of 1653492 in words is "one million, six hundred fifty-three thousand, four hundred ninety-two".