354781648 has 40 divisors (see below), whose sum is σ = 757500128. Its totient is φ = 159933312.

The previous prime is 354781633. The next prime is 354781649. The reversal of 354781648 is 846187453.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 354781598 and 354781607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354781649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10890 + ... + 28777.

Almost surely, 2^354781648 is an apocalyptic number.

It is an amenable number.

354781648 is an abundant number, since it is smaller than the sum of its proper divisors (402718480).

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

354781648 is a wasteful number, since it uses less digits than its factorization.

354781648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39731 (or 39725 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 354781648 is about 18835.6483296965. The cubic root of 354781648 is about 707.9246730589.

The spelling of 354781648 in words is "three hundred fifty-four million, seven hundred eighty-one thousand, six hundred forty-eight".