345001406 has 4 divisors (see below), whose sum is σ = 517502112. Its totient is φ = 172500702.

The previous prime is 345001351. The next prime is 345001409. The reversal of 345001406 is 604100543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345001409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86250350 + ... + 86250353.

It is an arithmetic number, because the mean of its divisors is an integer number (129375528).

Almost surely, 2^345001406 is an apocalyptic number.

345001406 is a deficient number, since it is larger than the sum of its proper divisors (172500706).

345001406 is a wasteful number, since it uses less digits than its factorization.

345001406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172500705.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 345001406 is about 18574.2134692159. The cubic root of 345001406 is about 701.3588611112.

Adding to 345001406 its reverse (604100543), we get a palindrome (949101949).

The spelling of 345001406 in words is "three hundred forty-five million, one thousand, four hundred six".