147698440 has 64 divisors (see below), whose sum is σ = 341832960. Its totient is φ = 57408000.

The previous prime is 147698423. The next prime is 147698443. The reversal of 147698440 is 44896741.

It is not an unprimeable number, because it can be changed into a prime (147698443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471724 + ... + 472036.

It is an arithmetic number, because the mean of its divisors is an integer number (5341140).

Almost surely, 2^147698440 is an apocalyptic number.

147698440 is a gapful number since it is divisible by the number (10) 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 147698440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170916480).

147698440 is an abundant number, since it is smaller than the sum of its proper divisors (194134520).

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

147698440 is a wasteful number, since it uses less digits than its factorization.

147698440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 147698440 is about 12153.1247010800. The cubic root of 147698440 is about 528.5977409420.

The spelling of 147698440 in words is "one hundred forty-seven million, six hundred ninety-eight thousand, four hundred forty".