147347408 has 40 divisors (see below), whose sum is σ = 308662536. Its totient is φ = 67737600.

The previous prime is 147347383. The next prime is 147347467. The reversal of 147347408 is 804743741.

It can be written as a sum of positive squares in 4 ways, for example, as 1227664 + 146119744 = 1108^2 + 12088^2 .

It is a super-2 number, since 2×147347408² = 43422517288636928, 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 7 ways as a sum of consecutive naturals, for example, 57188 + ... + 59708.

Almost surely, 2^147347408 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 147347408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154331268).

147347408 is an abundant number, since it is smaller than the sum of its proper divisors (161315128).

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

147347408 is a wasteful number, since it uses less digits than its factorization.

147347408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 147347408 is about 12138.6740626808. The cubic root of 147347408 is about 528.1786394313.

The spelling of 147347408 in words is "one hundred forty-seven million, three hundred forty-seven thousand, four hundred eight".