655067028 has 96 divisors (see below), whose sum is σ = 2006000640. Its totient is φ = 161187840.

The previous prime is 655066969. The next prime is 655067057. The reversal of 655067028 is 820760556.

It is a happy number.

It is a super-2 number, since 2×655067028² = 858225622345505568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101 + ... + 36212.

It is an arithmetic number, because the mean of its divisors is an integer number (20895840).

Almost surely, 2^655067028 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 655067028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003000320).

655067028 is an abundant number, since it is smaller than the sum of its proper divisors (1350933612).

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

655067028 is a wasteful number, since it uses less digits than its factorization.

655067028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37357 (or 37355 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 655067028 is about 25594.2772509794. The cubic root of 655067028 is about 868.4841830640.

The spelling of 655067028 in words is "six hundred fifty-five million, sixty-seven thousand, twenty-eight".