406343146 has 32 divisors (see below), whose sum is σ = 707211648. Its totient is φ = 173053440.

The previous prime is 406343131. The next prime is 406343219. The reversal of 406343146 is 641343604.

It is a happy number.

It is a super-2 number, since 2×406343146² = 330229504602354632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84811 + ... + 89473.

It is an arithmetic number, because the mean of its divisors is an integer number (22100364).

Almost surely, 2^406343146 is an apocalyptic number.

406343146 is a deficient number, since it is larger than the sum of its proper divisors (300868502).

406343146 is a wasteful number, since it uses less digits than its factorization.

406343146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 406343146 is about 20157.9549061903. The cubic root of 406343146 is about 740.6806168089.

The spelling of 406343146 in words is "four hundred six million, three hundred forty-three thousand, one hundred forty-six".