40620346 has 16 divisors (see below), whose sum is σ = 68471424. Its totient is φ = 17932464.

The previous prime is 40620343. The next prime is 40620353. The reversal of 40620346 is 64302604.

It is a self number, because there is not a number n which added to its sum of digits gives 40620346.

It is not an unprimeable number, because it can be changed into a prime (40620343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33366 + ... + 34561.

It is an arithmetic number, because the mean of its divisors is an integer number (4279464).

Almost surely, 2^40620346 is an apocalyptic number.

40620346 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40620346 is a deficient number, since it is larger than the sum of its proper divisors (27851078).

40620346 is a wasteful number, since it uses less digits than its factorization.

40620346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67965.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40620346 is about 6373.4092917370. The cubic root of 40620346 is about 343.7540889431.

The spelling of 40620346 in words is "forty million, six hundred twenty thousand, three hundred forty-six".