34993980 has 72 divisors (see below), whose sum is σ = 121316832. Its totient is φ = 7998336.

The previous prime is 34993979. The next prime is 34993993. The reversal of 34993980 is 8939943.

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 23 ways as a sum of consecutive naturals, for example, 12627 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (1684956).

Almost surely, 2^34993980 is an apocalyptic number.

34993980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34993980 is an abundant number, since it is smaller than the sum of its proper divisors (86322852).

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

34993980 is a wasteful number, since it uses less digits than its factorization.

34993980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27795 (or 27790 counting only the distinct ones).

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

The square root of 34993980 is about 5915.5709783587. The cubic root of 34993980 is about 327.0878758300.

The spelling of 34993980 in words is "thirty-four million, nine hundred ninety-three thousand, nine hundred eighty".