42906046 has 16 divisors (see below), whose sum is σ = 66889728. Its totient is φ = 20619000.

The previous prime is 42906007. The next prime is 42906053. The reversal of 42906046 is 64060924.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 42905999 and 42906017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7071 + ... + 11653.

It is an arithmetic number, because the mean of its divisors is an integer number (4180608).

Almost surely, 2^42906046 is an apocalyptic number.

42906046 is a deficient number, since it is larger than the sum of its proper divisors (23983682).

42906046 is a wasteful number, since it uses less digits than its factorization.

42906046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 42906046 is about 6550.2706814299. The cubic root of 42906046 is about 350.0844585292.

The spelling of 42906046 in words is "forty-two million, nine hundred six thousand, forty-six".