874537398 has 180 divisors, whose sum is σ = 2378885652. Its totient is φ = 239410080.

The previous prime is 874537361. The next prime is 874537423. The reversal of 874537398 is 893735478.

874537398 is a `hidden beast` number, since 8 + 74 + 537 + 39 + 8 = 666.

It is a super-2 number, since 2×874537398² = 1529631321001220808, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 6675793 + ... + 6675923.

Almost surely, 2^874537398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 874537398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189442826).

874537398 is an abundant number, since it is smaller than the sum of its proper divisors (1504348254).

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

874537398 is a wasteful number, since it uses less digits than its factorization.

874537398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 172 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 874537398 is about 29572.5784807480. The cubic root of 874537398 is about 956.2970043792.

The spelling of 874537398 in words is "eight hundred seventy-four million, five hundred thirty-seven thousand, three hundred ninety-eight".