349142262 has 16 divisors (see below), whose sum is σ = 798039552. Its totient is φ = 99754920.

The previous prime is 349142257. The next prime is 349142267. The reversal of 349142262 is 262241943.

It is an interprime number because it is at equal distance from previous prime (349142257) and next prime (349142267).

It is a super-2 number, since 2×349142262² = 243800638228953288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349142267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4156414 + ... + 4156497.

It is an arithmetic number, because the mean of its divisors is an integer number (49877472).

Almost surely, 2^349142262 is an apocalyptic number.

349142262 is an abundant number, since it is smaller than the sum of its proper divisors (448897290).

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

349142262 is a wasteful number, since it uses less digits than its factorization.

349142262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312923.

The product of its digits is 20736, while the sum is 33.

The square root of 349142262 is about 18685.3488594674. The cubic root of 349142262 is about 704.1537131533.

It can be divided in two parts, 3491 and 42262, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 349142262 in words is "three hundred forty-nine million, one hundred forty-two thousand, two hundred sixty-two".