34400370 has 16 divisors (see below), whose sum is σ = 82560960. Its totient is φ = 9173424.

The previous prime is 34400357. The next prime is 34400389. The reversal of 34400370 is 7300443.

It is a super-2 number, since 2×34400370² = 2366770912273800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573310 + ... + 573369.

It is an arithmetic number, because the mean of its divisors is an integer number (5160060).

Almost surely, 2^34400370 is an apocalyptic number.

34400370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34400370 is an abundant number, since it is smaller than the sum of its proper divisors (48160590).

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

34400370 is a wasteful number, since it uses less digits than its factorization.

34400370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146689.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 34400370 is about 5865.1828615995. The cubic root of 34400370 is about 325.2278323575.

The spelling of 34400370 in words is "thirty-four million, four hundred thousand, three hundred seventy".