354486456 has 64 divisors (see below), whose sum is σ = 996890400. Its totient is φ = 118156320.

The previous prime is 354486449. The next prime is 354486469. The reversal of 354486456 is 654684453.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7366 + ... + 27626.

Almost surely, 2^354486456 is an apocalyptic number.

354486456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354486456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498445200).

354486456 is an abundant number, since it is smaller than the sum of its proper divisors (642403944).

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

354486456 is an equidigital number, since it uses as much as digits as its factorization.

354486456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20288 (or 20266 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The square root of 354486456 is about 18827.8107065054. The cubic root of 354486456 is about 707.7282783786.

It can be divided in two parts, 3544 and 86456, that added together give a square (90000 = 300²).

The spelling of 354486456 in words is "three hundred fifty-four million, four hundred eighty-six thousand, four hundred fifty-six".