39749154 has 8 divisors (see below), whose sum is σ = 79498320. Its totient is φ = 13249716.

The previous prime is 39749153. The next prime is 39749167. The reversal of 39749154 is 45194793.

39749154 is nontrivially palindromic in base 5.

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

39749154 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (39749153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312424 + ... + 3312435.

It is an arithmetic number, because the mean of its divisors is an integer number (9937290).

Almost surely, 2^39749154 is an apocalyptic number.

39749154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39749154 is a wasteful number, since it uses less digits than its factorization.

39749154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624864.

The product of its digits is 136080, while the sum is 42.

The square root of 39749154 is about 6304.6930139381. The cubic root of 39749154 is about 341.2787886459.

It can be divided in two parts, 39749 and 154, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 39749154 in words is "thirty-nine million, seven hundred forty-nine thousand, one hundred fifty-four".