354649266 has 48 divisors (see below), whose sum is σ = 805188384. Its totient is φ = 116982144.

The previous prime is 354649261. The next prime is 354649277. The reversal of 354649266 is 662946453.

354649266 is a `hidden beast` number, since 3 + 546 + 49 + 2 + 66 = 666.

It is a super-2 number, since 2×354649266² = 251552203748677512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354649261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43381 + ... + 50903.

It is an arithmetic number, because the mean of its divisors is an integer number (16774758).

Almost surely, 2^354649266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354649266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402594192).

354649266 is an abundant number, since it is smaller than the sum of its proper divisors (450539118).

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

354649266 is an equidigital number, since it uses as much as digits as its factorization.

354649266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637 (or 7625 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 354649266 is about 18832.1338674087. The cubic root of 354649266 is about 707.8366112483.

The spelling of 354649266 in words is "three hundred fifty-four million, six hundred forty-nine thousand, two hundred sixty-six".