39855046 has 64 divisors (see below), whose sum is σ = 80248320. Its totient is φ = 14376960.

The previous prime is 39855043. The next prime is 39855061. The reversal of 39855046 is 64055893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39855041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154950 + ... + 155206.

It is an arithmetic number, because the mean of its divisors is an integer number (1253880).

Almost surely, 2^39855046 is an apocalyptic number.

39855046 is an abundant number, since it is smaller than the sum of its proper divisors (40393274).

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

39855046 is a wasteful number, since it uses less digits than its factorization.

39855046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 39855046 is about 6313.0852995980. The cubic root of 39855046 is about 341.5815762193.

The spelling of 39855046 in words is "thirty-nine million, eight hundred fifty-five thousand, forty-six".