346621492 has 18 divisors (see below), whose sum is σ = 705622722. Its totient is φ = 148551984.

The previous prime is 346621489. The next prime is 346621501. The reversal of 346621492 is 294126643.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 344622096 + 1999396 = 18564^2 + 1414^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 884043 + ... + 884434.

Almost surely, 2^346621492 is an apocalyptic number.

It is an amenable number.

346621492 is an abundant number, since it is smaller than the sum of its proper divisors (359001230).

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

346621492 is a wasteful number, since it uses less digits than its factorization.

346621492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768495 (or 1768486 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 346621492 is about 18617.7735510990. The cubic root of 346621492 is about 702.4549800390.

The spelling of 346621492 in words is "three hundred forty-six million, six hundred twenty-one thousand, four hundred ninety-two".