653214492 has 108 divisors (see below), whose sum is σ = 1927904160. Its totient is φ = 185939712.

The previous prime is 653214487. The next prime is 653214503. The reversal of 653214492 is 294412356.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 646884 + ... + 647892.

Almost surely, 2^653214492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653214492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (963952080).

653214492 is an abundant number, since it is smaller than the sum of its proper divisors (1274689668).

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

653214492 is a wasteful number, since it uses less digits than its factorization.

653214492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1388 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 653214492 is about 25558.0611940734. The cubic root of 653214492 is about 867.6647161529.

The spelling of 653214492 in words is "six hundred fifty-three million, two hundred fourteen thousand, four hundred ninety-two".