354014778 has 48 divisors (see below), whose sum is σ = 773958240. Its totient is φ = 107894592.

The previous prime is 354014777. The next prime is 354014807. The reversal of 354014778 is 877410453.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (354014777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108925 + ... + 112127.

It is an arithmetic number, because the mean of its divisors is an integer number (16124130).

Almost surely, 2^354014778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354014778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386979120).

354014778 is an abundant number, since it is smaller than the sum of its proper divisors (419943462).

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

354014778 is a wasteful number, since it uses less digits than its factorization.

354014778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 3330 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 354014778 is about 18815.2804390474. The cubic root of 354014778 is about 707.4142390855.

The spelling of 354014778 in words is "three hundred fifty-four million, fourteen thousand, seven hundred seventy-eight".