29498940 has 36 divisors (see below), whose sum is σ = 89480664. Its totient is φ = 7866336.

The previous prime is 29498923. The next prime is 29498957. The reversal of 29498940 is 4989492.

It is an interprime number because it is at equal distance from previous prime (29498923) and next prime (29498957).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×29498940² = 1740374922247200, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 81762 + ... + 82121.

It is an arithmetic number, because the mean of its divisors is an integer number (2485574).

Almost surely, 2^29498940 is an apocalyptic number.

29498940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29498940 is an abundant number, since it is smaller than the sum of its proper divisors (59981724).

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

29498940 is a wasteful number, since it uses less digits than its factorization.

29498940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163898 (or 163893 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 29498940 is about 5431.2926638140. The cubic root of 29498940 is about 308.9836293838.

The spelling of 29498940 in words is "twenty-nine million, four hundred ninety-eight thousand, nine hundred forty".