354749688 has 24 divisors (see below), whose sum is σ = 960780600. Its totient is φ = 118249872.

The previous prime is 354749687. The next prime is 354749743. The reversal of 354749688 is 886947453.

354749688 is a `hidden beast` number, since 3 + 5 + 474 + 96 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×354749688² = 251694682272194688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354749687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2463468 + ... + 2463611.

It is an arithmetic number, because the mean of its divisors is an integer number (40032525).

Almost surely, 2^354749688 is an apocalyptic number.

It is an amenable number.

354749688 is an abundant number, since it is smaller than the sum of its proper divisors (606030912).

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

354749688 is a wasteful number, since it uses less digits than its factorization.

354749688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927091 (or 4927084 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 354749688 is about 18834.7999192983. The cubic root of 354749688 is about 707.9034149582.

It can be divided in two parts, 3547 and 49688, that added together give a palindrome (53235).

The spelling of 354749688 in words is "three hundred fifty-four million, seven hundred forty-nine thousand, six hundred eighty-eight".