354420420 has 96 divisors (see below), whose sum is σ = 1073253888. Its totient is φ = 87048192.

The previous prime is 354420389. The next prime is 354420421. The reversal of 354420420 is 24024453.

It is a super-2 number, since 2×354420420² = 251227668225952800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354420421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44244 + ... + 51636.

It is an arithmetic number, because the mean of its divisors is an integer number (11179728).

Almost surely, 2^354420420 is an apocalyptic number.

354420420 is a gapful number since it is divisible by the number (30) 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 354420420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536626944).

354420420 is an abundant number, since it is smaller than the sum of its proper divisors (718833468).

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

354420420 is a wasteful number, since it uses less digits than its factorization.

354420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469 (or 7467 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 354420420 is about 18826.0569424402. The cubic root of 354420420 is about 707.6843289355.

Adding to 354420420 its reverse (24024453), we get a palindrome (378444873).

The spelling of 354420420 in words is "three hundred fifty-four million, four hundred twenty thousand, four hundred twenty".