29696940 has 288 divisors, whose sum is σ = 116188800. Its totient is φ = 6096384.

The previous prime is 29696939. The next prime is 29696963. The reversal of 29696940 is 4969692.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 802602 + ... + 802638.

Almost surely, 2^29696940 is an apocalyptic number.

29696940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29696940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58094400).

29696940 is an abundant number, since it is smaller than the sum of its proper divisors (86491860).

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

29696940 is a wasteful number, since it uses less digits than its factorization.

29696940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 29696940 is about 5449.4898843837. The cubic root of 29696940 is about 309.6733986583.

The spelling of 29696940 in words is "twenty-nine million, six hundred ninety-six thousand, nine hundred forty".