350839840 has 48 divisors (see below), whose sum is σ = 892622808. Its totient is φ = 129540096.

The previous prime is 350839831. The next prime is 350839849. The reversal of 350839840 is 48938053.

It is an interprime number because it is at equal distance from previous prime (350839831) and next prime (350839849).

It can be written as a sum of positive squares in 4 ways, for example, as 302342544 + 48497296 = 17388^2 + 6964^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 350839793 and 350839802.

It is not an unprimeable number, because it can be changed into a prime (350839849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82257 + ... + 86416.

Almost surely, 2^350839840 is an apocalyptic number.

It is an amenable number.

350839840 is an abundant number, since it is smaller than the sum of its proper divisors (541782968).

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

350839840 is a wasteful number, since it uses less digits than its factorization.

350839840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168701 (or 168693 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 350839840 is about 18730.7191533054. The cubic root of 350839840 is about 705.2930994624.

The spelling of 350839840 in words is "three hundred fifty million, eight hundred thirty-nine thousand, eight hundred forty".