29148390 has 64 divisors (see below), whose sum is σ = 78667200. Its totient is φ = 7679232.

The previous prime is 29148373. The next prime is 29148407. The reversal of 29148390 is 9384192.

29148390 is a `hidden beast` number, since 2 + 91 + 483 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (29148373) and next prime (29148407).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23424 + ... + 24636.

It is an arithmetic number, because the mean of its divisors is an integer number (1229175).

Almost surely, 2^29148390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29148390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39333600).

29148390 is an abundant number, since it is smaller than the sum of its proper divisors (49518810).

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

29148390 is a wasteful number, since it uses less digits than its factorization.

29148390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 29148390 is about 5398.9248929764. The cubic root of 29148390 is about 307.7548155538.

The spelling of 29148390 in words is "twenty-nine million, one hundred forty-eight thousand, three hundred ninety".