340421038 has 8 divisors (see below), whose sum is σ = 510802488. Its totient is φ = 170153544.

The previous prime is 340421027. The next prime is 340421041. The reversal of 340421038 is 830124043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×340421038² = 231772966225994888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20581 + ... + 33232.

It is an arithmetic number, because the mean of its divisors is an integer number (63850311).

Almost surely, 2^340421038 is an apocalyptic number.

340421038 is a deficient number, since it is larger than the sum of its proper divisors (170381450).

340421038 is a wasteful number, since it uses less digits than its factorization.

340421038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56978.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 340421038 is about 18450.5023779842. The cubic root of 340421038 is about 698.2411886150.

It can be divided in two parts, 3404 and 21038, that added together give a palindrome (24442).

The spelling of 340421038 in words is "three hundred forty million, four hundred twenty-one thousand, thirty-eight".