42396477 has 8 divisors (see below), whose sum is σ = 56603616. Its totient is φ = 28226832.

The previous prime is 42396451. The next prime is 42396481. The reversal of 42396477 is 77469324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42396477 - 2¹⁸ = 42134333 is a prime.

It is a super-2 number, since 2×42396477² = 3594922524023058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42396407) 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, 6618 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (7075452).

Almost surely, 2^42396477 is an apocalyptic number.

It is an amenable number.

42396477 is a deficient number, since it is larger than the sum of its proper divisors (14207139).

42396477 is a wasteful number, since it uses less digits than its factorization.

42396477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18747.

The product of its digits is 254016, while the sum is 42.

The square root of 42396477 is about 6511.2577126082. The cubic root of 42396477 is about 348.6930221275.

The spelling of 42396477 in words is "forty-two million, three hundred ninety-six thousand, four hundred seventy-seven".