342481690 has 16 divisors (see below), whose sum is σ = 624913128. Its totient is φ = 135115776.

The previous prime is 342481687. The next prime is 342481693. The reversal of 342481690 is 96184243.

It is an interprime number because it is at equal distance from previous prime (342481687) and next prime (342481693).

It can be written as a sum of positive squares in 4 ways, for example, as 314317441 + 28164249 = 17729^2 + 5307^2 .

It is a super-2 number, since 2×342481690² = 234587415970512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342481693) 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, 233847 + ... + 235306.

Almost surely, 2^342481690 is an apocalyptic number.

342481690 is a deficient number, since it is larger than the sum of its proper divisors (282431438).

342481690 is a wasteful number, since it uses less digits than its factorization.

342481690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469233.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 342481690 is about 18506.2608324859. The cubic root of 342481690 is about 699.6472304126.

The spelling of 342481690 in words is "three hundred forty-two million, four hundred eighty-one thousand, six hundred ninety".