620470406 has 32 divisors (see below), whose sum is σ = 972259200. Its totient is φ = 296755200.

The previous prime is 620470393. The next prime is 620470429. The reversal of 620470406 is 604074026.

It is a congruent number.

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, 1381670 + ... + 1382118.

It is an arithmetic number, because the mean of its divisors is an integer number (30383100).

Almost surely, 2^620470406 is an apocalyptic number.

620470406 is a deficient number, since it is larger than the sum of its proper divisors (351788794).

620470406 is a wasteful number, since it uses less digits than its factorization.

620470406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 620470406 is about 24909.2433847357. The cubic root of 620470406 is about 852.9174976223.

The spelling of 620470406 in words is "six hundred twenty million, four hundred seventy thousand, four hundred six".