39422487 has 8 divisors (see below), whose sum is σ = 56606704. Its totient is φ = 24259968.

The previous prime is 39422479. The next prime is 39422489. The reversal of 39422487 is 78422493.

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

It is not a de Polignac number, because 39422487 - 2³ = 39422479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1010833 = 39422487 / (3 + 9 + 4 + 2 + 2 + 4 + 8 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39422489) 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, 505378 + ... + 505455.

It is an arithmetic number, because the mean of its divisors is an integer number (7075838).

Almost surely, 2^39422487 is an apocalyptic number.

39422487 is a deficient number, since it is larger than the sum of its proper divisors (17184217).

39422487 is a wasteful number, since it uses less digits than its factorization.

39422487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010849.

The product of its digits is 96768, while the sum is 39.

The square root of 39422487 is about 6278.7329135742. The cubic root of 39422487 is about 340.3413152659.

The spelling of 39422487 in words is "thirty-nine million, four hundred twenty-two thousand, four hundred eighty-seven".