6451942 has 16 divisors (see below), whose sum is σ = 11711520. Its totient is φ = 2602368.

The previous prime is 6451933. The next prime is 6451943. The reversal of 6451942 is 2491546.

6451942 = T₂₆₈ + T₂₆₉ + ... + T₃₈₆.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451943) 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, 13317 + ... + 13792.

It is an arithmetic number, because the mean of its divisors is an integer number (731970).

Almost surely, 2^6451942 is an apocalyptic number.

6451942 is a deficient number, since it is larger than the sum of its proper divisors (5259578).

6451942 is a wasteful number, since it uses less digits than its factorization.

6451942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27135.

The product of its digits is 8640, while the sum is 31.

The square root of 6451942 is about 2540.0673219425. The cubic root of 6451942 is about 186.1644785512.

The spelling of 6451942 in words is "six million, four hundred fifty-one thousand, nine hundred forty-two".