340691970 has 16 divisors (see below), whose sum is σ = 817660800. Its totient is φ = 90851184.

The previous prime is 340691963. The next prime is 340691977. The reversal of 340691970 is 79196043.

It is an interprime number because it is at equal distance from previous prime (340691963) and next prime (340691977).

It is a super-3 number, since 3×340691970³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (340691977) 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, 5678170 + ... + 5678229.

It is an arithmetic number, because the mean of its divisors is an integer number (51103800).

Almost surely, 2^340691970 is an apocalyptic number.

340691970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340691970 is an abundant number, since it is smaller than the sum of its proper divisors (476968830).

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

340691970 is a wasteful number, since it uses less digits than its factorization.

340691970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356409.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 340691970 is about 18457.8430484171. The cubic root of 340691970 is about 698.4263766577.

The spelling of 340691970 in words is "three hundred forty million, six hundred ninety-one thousand, nine hundred seventy".