354216620 has 24 divisors (see below), whose sum is σ = 783006000. Its totient is φ = 134229312.

The previous prime is 354216613. The next prime is 354216623. The reversal of 354216620 is 26612453.

It is a super-3 number, since 3×354216620³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (354216623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465695 + ... + 466454.

It is an arithmetic number, because the mean of its divisors is an integer number (32625250).

Almost surely, 2^354216620 is an apocalyptic number.

It is an amenable number.

354216620 is an abundant number, since it is smaller than the sum of its proper divisors (428789380).

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

354216620 is a wasteful number, since it uses less digits than its factorization.

354216620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932177 (or 932175 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 354216620 is about 18820.6434533998. The cubic root of 354216620 is about 707.5486579345.

The spelling of 354216620 in words is "three hundred fifty-four million, two hundred sixteen thousand, six hundred twenty".