34820149 has 16 divisors (see below), whose sum is σ = 43061760. Its totient is φ = 27417600.

The previous prime is 34820143. The next prime is 34820171. The reversal of 34820149 is 94102843.

It is not a de Polignac number, because 34820149 - 2⁵ = 34820117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34820149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34820143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20949 + ... + 22549.

It is an arithmetic number, because the mean of its divisors is an integer number (2691360).

Almost surely, 2^34820149 is an apocalyptic number.

It is an amenable number.

34820149 is a deficient number, since it is larger than the sum of its proper divisors (8241611).

34820149 is a wasteful number, since it uses less digits than its factorization.

34820149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 34820149 is about 5900.8600220646. The cubic root of 34820149 is about 326.5453785228.

It can be divided in two parts, 34820 and 149, that added together give a square (34969 = 187²).

The spelling of 34820149 in words is "thirty-four million, eight hundred twenty thousand, one hundred forty-nine".