34437428 has 24 divisors (see below), whose sum is σ = 61845000. Its totient is φ = 16773120.

The previous prime is 34437419. The next prime is 34437437. The reversal of 34437428 is 82473443.

It is an interprime number because it is at equal distance from previous prime (34437419) and next prime (34437437).

It can be written as a sum of positive squares in 4 ways, for example, as 2650384 + 31787044 = 1628^2 + 5638^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26948 + ... + 28196.

It is an arithmetic number, because the mean of its divisors is an integer number (2576875).

Almost surely, 2^34437428 is an apocalyptic number.

It is an amenable number.

34437428 is a deficient number, since it is larger than the sum of its proper divisors (27407572).

34437428 is a wasteful number, since it uses less digits than its factorization.

34437428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1425 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 34437428 is about 5868.3411625433. The cubic root of 34437428 is about 325.3445749758.

The spelling of 34437428 in words is "thirty-four million, four hundred thirty-seven thousand, four hundred twenty-eight".