353463444 has 18 divisors (see below), whose sum is σ = 893477130. Its totient is φ = 117821136.

The previous prime is 353463443. The next prime is 353463469. The reversal of 353463444 is 444364353.

It can be written as a sum of positive squares in only one way, i.e., 264387600 + 89075844 = 16260^2 + 9438^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×353463444² = 249872812488682272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9818429 = 353463444 / (3 + 5 + 3 + 4 + 6 + 3 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 353463399 and 353463408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353463443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4909179 + ... + 4909250.

Almost surely, 2^353463444 is an apocalyptic number.

It is an amenable number.

353463444 is an abundant number, since it is smaller than the sum of its proper divisors (540013686).

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

353463444 is a wasteful number, since it uses less digits than its factorization.

353463444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818439 (or 9818434 counting only the distinct ones).

The product of its digits is 207360, while the sum is 36.

The square root of 353463444 is about 18800.6235002991. The cubic root of 353463444 is about 707.0468117052.

Subtracting 353463444 from its reverse (444364353), we obtain a palindrome (90900909).

The spelling of 353463444 in words is "three hundred fifty-three million, four hundred sixty-three thousand, four hundred forty-four".