340487838 has 24 divisors (see below), whose sum is σ = 757663608. Its totient is φ = 110428272.

The previous prime is 340487831. The next prime is 340487839. The reversal of 340487838 is 838784043.

It is a happy number.

340487838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 340487793 and 340487802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340487831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254956 + ... + 256287.

It is an arithmetic number, because the mean of its divisors is an integer number (31569317).

Almost surely, 2^340487838 is an apocalyptic number.

340487838 is an abundant number, since it is smaller than the sum of its proper divisors (417175770).

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

340487838 is a wasteful number, since it uses less digits than its factorization.

340487838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511288 (or 511285 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 340487838 is about 18452.3125379991. The cubic root of 340487838 is about 698.2868570233.

The spelling of 340487838 in words is "three hundred forty million, four hundred eighty-seven thousand, eight hundred thirty-eight".