340995408 has 40 divisors (see below), whose sum is σ = 948668448. Its totient is φ = 104921472.

The previous prime is 340995407. The next prime is 340995409. The reversal of 340995408 is 804599043.

It is an interprime number because it is at equal distance from previous prime (340995407) and next prime (340995409).

It is a self number, because there is not a number n which added to its sum of digits gives 340995408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340995407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272610 + ... + 273857.

Almost surely, 2^340995408 is an apocalyptic number.

It is an amenable number.

340995408 is an abundant number, since it is smaller than the sum of its proper divisors (607673040).

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

340995408 is a wasteful number, since it uses less digits than its factorization.

340995408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546491 (or 546485 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 340995408 is about 18466.0609768299. The cubic root of 340995408 is about 698.6336667558.

The spelling of 340995408 in words is "three hundred forty million, nine hundred ninety-five thousand, four hundred eight".