354442620 has 48 divisors (see below), whose sum is σ = 1134217728. Its totient is φ = 81015360.

The previous prime is 354442547. The next prime is 354442631. The reversal of 354442620 is 26244453.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 421536 + ... + 422375.

It is an arithmetic number, because the mean of its divisors is an integer number (23629536).

Almost surely, 2^354442620 is an apocalyptic number.

354442620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354442620 is an abundant number, since it is smaller than the sum of its proper divisors (779775108).

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

354442620 is a wasteful number, since it uses less digits than its factorization.

354442620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843930 (or 843928 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 354442620 is about 18826.6465415379. The cubic root of 354442620 is about 707.6991044801.

It can be divided in two parts, 3544 and 42620, that added together give a palindrome (46164).

The spelling of 354442620 in words is "three hundred fifty-four million, four hundred forty-two thousand, six hundred twenty".