39622061 has 4 divisors (see below), whose sum is σ = 40900224. Its totient is φ = 38343900.

The previous prime is 39622057. The next prime is 39622069. The reversal of 39622061 is 16022693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 39622061 - 2² = 39622057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39622069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639035 + ... + 639096.

It is an arithmetic number, because the mean of its divisors is an integer number (10225056).

Almost surely, 2^39622061 is an apocalyptic number.

39622061 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

39622061 is a deficient number, since it is larger than the sum of its proper divisors (1278163).

39622061 is a wasteful number, since it uses less digits than its factorization.

39622061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278162.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 39622061 is about 6294.6057064760. The cubic root of 39622061 is about 340.9146680644.

The spelling of 39622061 in words is "thirty-nine million, six hundred twenty-two thousand, sixty-one".