3906451942 has 16 divisors (see below), whose sum is σ = 5921144064. Its totient is φ = 1932760000.

The previous prime is 3906451921. The next prime is 3906451943. The reversal of 3906451942 is 2491546093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906451943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421842 + ... + 431002.

It is an arithmetic number, because the mean of its divisors is an integer number (370071504).

Almost surely, 2^3906451942 is an apocalyptic number.

3906451942 is a deficient number, since it is larger than the sum of its proper divisors (2014692122).

3906451942 is a wasteful number, since it uses less digits than its factorization.

3906451942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 3906451942 is about 62501.6155151209. The cubic root of 3906451942 is about 1574.9284512051.

The spelling of 3906451942 in words is "three billion, nine hundred six million, four hundred fifty-one thousand, nine hundred forty-two".