354388647 has 16 divisors (see below), whose sum is σ = 507172320. Its totient is φ = 219313152.

The previous prime is 354388609. The next prime is 354388649. The reversal of 354388647 is 746883453.

It is not a de Polignac number, because 354388647 - 2⁶ = 354388583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354388596 and 354388605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354388649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43872 + ... + 51317.

It is an arithmetic number, because the mean of its divisors is an integer number (31698270).

Almost surely, 2^354388647 is an apocalyptic number.

354388647 is a deficient number, since it is larger than the sum of its proper divisors (152783673).

354388647 is a wasteful number, since it uses less digits than its factorization.

354388647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95282.

The product of its digits is 1935360, while the sum is 48.

The square root of 354388647 is about 18825.2130665233. The cubic root of 354388647 is about 707.6631808631.

The spelling of 354388647 in words is "three hundred fifty-four million, three hundred eighty-eight thousand, six hundred forty-seven".