149684379 has 16 divisors (see below), whose sum is σ = 215319552. Its totient is φ = 91947168.

The previous prime is 149684369. The next prime is 149684387. The reversal of 149684379 is 973486941.

It is not a de Polignac number, because 149684379 - 2⁵ = 149684347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149684309) 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 15 ways as a sum of consecutive naturals, for example, 20512 + ... + 26834.

It is an arithmetic number, because the mean of its divisors is an integer number (13457472).

Almost surely, 2^149684379 is an apocalyptic number.

149684379 is a deficient number, since it is larger than the sum of its proper divisors (65635173).

149684379 is a wasteful number, since it uses less digits than its factorization.

149684379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6946.

The product of its digits is 1306368, while the sum is 51.

The square root of 149684379 is about 12234.5567553549. The cubic root of 149684379 is about 530.9563591728.

The spelling of 149684379 in words is "one hundred forty-nine million, six hundred eighty-four thousand, three hundred seventy-nine".