1097894952 has 384 divisors, whose sum is σ = 4067884800. Its totient is φ = 267632640.

The previous prime is 1097894927. The next prime is 1097894953. The reversal of 1097894952 is 2594987901.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097894953) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3110008 + ... + 3110360.

It is an arithmetic number, because the mean of its divisors is an integer number (10593450).

Almost surely, 2^1097894952 is an apocalyptic number.

1097894952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097894952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2033942400).

1097894952 is an abundant number, since it is smaller than the sum of its proper divisors (2969989848).

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

1097894952 is a wasteful number, since it uses less digits than its factorization.

1097894952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The square root of 1097894952 is about 33134.4979138058. The cubic root of 1097894952 is about 1031.6212103625.

The spelling of 1097894952 in words is "one billion, ninety-seven million, eight hundred ninety-four thousand, nine hundred fifty-two".